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Probability and Statistics - Practice Tests and Solutions

Probability and Statistics - Practice Tests and Solutions

Loại khoá học: Business Analytics & Intelligence

Probability and Statistics | 100+ Problems + Explanation Videos | For CQA, CQE, CSSGB, CSSBB, CQT, CQPA Exam Preparation

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Mô tả

Do you need some practice questions for your exam preparation?

Learn probability and statistics by solving problems.

This course will test your understanding of the basic concepts related to Probability, Statistics and Data Analysis. More than 100 questions with solutions have been included in this course.

The following areas of statistics are covered:

Descriptive Statistics - Mean, Mode, Median, Quartile, Range, Inter Quartile Range, Standard Deviation

Data Visualization - Commonly used charts such as Histogram and Box and Whisker Plot

Probability - Basic Concepts, Permutations, Combinations

Probability Distributions - Normal, Binomial and Poisson Distributions

Hypothesis Testing - One Sample and Two Samples - z Test, t-Test, p Test, F Test, Chi-Square Test

ANOVA - Analysis of Variance (ANOVA)


Why this course?

  • More than 100 statistics questions, supported by video solution for each question

  • 1,000+ satisfied students.

  • You can use this course to prepare for the CQA, CQE, CSSGB, CSSBB, CQT, CQPA and many other exams.


What are other students saying about this course?

  • Good preparation questions for the CQE exam. (5 stars by Sudhakar Thamodharan)

  • It gives me more great methods to solve statistic problems. (5 stars by henry Yu)

  • This course was a life saver the weekend before my test. Really good refresher training on very important CQE calculations. (5 stars by CC

    Chris Cunningham)

  • I highly recommend Mr. Kumar's course called "Probability and Statistics - Practice Tests and Solutions." I am so glad I purchased this and went through each question and understood rationale on the ones I answered incorrectly. After preparing with Mr. Kumar's courses, I felt very confident on exam day. (5 stars by Christopher Philip)

  • wow!!!!!!!!!!!!!!!!!!!!!!!!! I loved it!!!!!!!!!!!!!! The explanations are very clear and a loooooooooooooot of different examples for each subject are shown. I loved it!!!!!!!! (5 stars by Elizabeth Campoy Sotomayor)


What are you waiting for?

This course comes with Udemy's 30 days money-back guarantee. If you are not satisfied with the course, get your money back.

I hope to see you in the course.


Note: We are not a representative of ASQ®, IASSC® or any other certification organization. ASQ® is the registered trademark of the American Society for Quality. IASSC® is the registered trademark of the International Association for Six Sigma Certification. We are an independent training provider. We are neither associated nor affiliated with the certification organization(s) mentioned in our courses. The name and title of the certification exam mentioned in this course are the trademarks of the respective certification organization. We mention these names and/or the relevant terminologies only for describing the relevant exam processes and knowledge (i.e. Fair Use).


Bạn sẽ học được gì

This Practice Tests course is designed to refresh your understanding of topics related to probability and statistics.

Test your knowledge on topics related to probability and statistics before taking the ASQ CQE, CSSGB or the CSSBB exam.

Yêu cầu

  • A simple calculator with statistical functions - eg TI-30Xa

Nội dung khoá học

8 sections

Quiz Questions

8 lectures
Introduction
03:58
Download Tables and Reference Sheets
00:09
Basic Probability
21 questions
Descriptive Statistics
18 questions
Probability Distributions
25 questions
Central Limit Theorem, Confidence Interval and Hypothesis Testing Basics
16 questions
Hypothesis Tests (One Sample and Two Sample)
26 questions
ANOVA, Goodness of Fit Test and Contingency Tables
11 questions

Solutions - Quiz 1 Basic Probability

21 lectures
Basic Probability - 1QA1 - A single die is rolled once. Find the probability ..
01:51
Basic Probability - 1QA2 - A ball is drawn at random from a box containing 20 ..
04:46
Basic Probability - 1QA3 - If two dice are rolled, what is the probability of ..
04:01
Basic Probability - 1QA4 - If X={1,3,5,7,9} , Y={1,2,3,9,11} and Z = {5,8,9} ..
03:03
Basic Probability - 1QA5 - If P(A) = 0.10, P(B) = 0.10, P(A ∪ B) = 0.18 What ..
02:46
Basic Probability - 1QA6 - Which of the following events are mutually exclusive?
03:33
Basic Probability - 1QA7 - If P(A) = 0.10, P(B) = 0.10, P(A∩B) = 0.02 ...
03:24
Basic Probability - 1QA8 - If P(A) = 0.10, P(B) = 0.10, P(A) ∩ P(B) = 0.02 ...
01:55
Basic Probability - 1QA9 - In a town 50% people speak English and 55% people ...
02:22
Basic Probability - 1QA10 - A card is drawn from a full deck of 52 cards. What
02:30
Basic Probability - 1QA11 - What is the probability of a 6 turning up at least
03:12
Basic Probability - 1QA12 - A fair die is tossed twice. What is the probability
04:40
Basic Probability - 1QA13 - Two balls are drawn at random without replacement
02:39
Basic Probability - 1QA14 - In how many ways can a committee of 4 people be ...
03:44
Basic Probability - 1QA15 - In how many different ways can the letters of the
02:56
Basic Probability - 1QA16 - The probability that a random person has lung ..
03:30
Basic Probability - 1QA17 - If you randomly draw a card from two packs below ..
17:54
Basic Probability - 1QA18 - If P(A) = 0.17 and P(B) = 0.31. If P(A|B) = 0.12, ..
02:05
Basic Probability - 1QA19 - A box contains 3 red and 2 blue balls while ...
04:01
Basic Probability - 1QA20 - A test for a rare disease is 99 percent correct ...
06:53
Basic Probability - 1QA21 - A welder produces welds that can have a crack ...
04:18

Solutions: Quiz 2: Descriptive Statistics

18 lectures
Descriptive Statistics - 2Q1 - A class has a mean score of 65 (μ=65) and a ...
03:47
Descriptive Statistics - 2QA2 - In the birth register maintained by the hospital
02:01
Descriptive Statistics - 2QA3 - What symbol is used to denote the mean of a ...
03:07
Descriptive Statistics - 2QA4 - Find the variance of the following sample data
03:32
Descriptive Statistics - 2QA5 - If the standard deviation of the data is 0.36 ..
00:50
Descriptive Statistics - 2QA6 - The mean of 4 numbers is 28. If three of the...
01:21
Descriptive Statistics - 2QA7 - What is the median of the following data set?
01:50
Descriptive Statistics - 2QA8 - What is the mode of the following data set?
01:10
Descriptive Statistics - 2QA9 - What is the term used to describe the distri
02:03
Descriptive Statistics - 2QA10 - Which of the following measures can have more
00:50
Descriptive Statistics - 2QA11 - The mean and the standard deviation of two
03:03
Descriptive Statistics - 2QA12 - Find the Inter-Quartile Range for the following
02:23
Descriptive Statistics - 2QA13 - What is the mode of the data shown in the histo
01:49
Descriptive Statistics - 2QA14 - What is the median of the data shown in the Box
01:38
Descriptive Statistics - 2QA15 - What is the Inter-quartile Range of the data
01:24
Descriptive Statistics - 2QA16 - Which of the following statement is correct
04:26
Descriptive Statistics - 2QA17 - The mean of a set of numbers is 100, the mode
04:03
Descriptive Statistics - 2QA18 - Calculate the standard deviation of the follow
03:35

Solutions: Quiz 3: Probability Distributions

25 lectures
Probability Distributions - 3QA1 - A manufacturer produces 10% defective items
07:20
Probability Distributions - 3QA2 - A manufacturer produces 10% defective items.
02:54
Probability Distributions - 3QA3 - What is the mean and the variance of a binomi
02:50
Probability Distributions - 3QA4 - In flipping a fair coin 5 times what is the p
02:40
Probability Distributions - 3QA5 - The average defects rate of a supplier is 6%.
01:33
Probability Distributions - 3QA6 - Calculate the probability of 3 or fewer defec
04:45
Probability Distributions - 3QB1 - On a booking counter on the average 3.6 peopl
05:25
Probability Distributions - 3QB2 - In the formula for the Poisson Distribution
02:36
Probability Distributions - 3QB3 - On a booking counter on the average 3.6 peopl
04:29
Probability Distributions - 3QB4 - A data entry operator has an average error r
03:01
Probability Distributions - 3QB5 - What is the distribution that has the same me
01:10
Probability Distributions - 3QB6 - If the probability that the glass panel will
06:30
Probability Distributions - 3QC1 - A population has a μ=45 and σ=2. If these sco
03:47
Probability Distributions - 3QC2 - A random variable X has a normal distribution
01:42
Probability Distributions - 3QC3 - Using the Z Table what is the value of P(z <
02:29
Probability Distributions - 3QC4 - Using the Z Table what is the value of P(–0.
04:09
Probability Distributions - 3QC5 - If data are normally distributed, what percen
01:38
Probability Distributions - 3QC6 - Looking at the below Histogram, what is the b
02:08
Probability Distributions - 3QC7 - The mean weight of 1000 students at a certain
03:54
Probability Distributions - 3QC8 - The average annual rain fall in a city is 35
03:34
Probability Distributions - 3QC9 - Suppose that 40% of a bolts have the tensile
06:25
Probability Distributions - 3QC10 - The lifetime of a newly produced LED bulb is
03:05
Probability Distributions - 3QC11 - A fair coin is tossed 45 times. What is the
08:40
Probability Distributions - 3QD1 - Regarding t-distribution which of the followi
03:28
Probability Distributions - 3QD2 - A battery manufacturer claims that the batter
01:48

Solutions: Quiz 4: Hypothesis Basics

16 lectures
Central Limit Theorem - 4QA1 - Bolts produced by a machine have a mean weight of
07:43
Central Limit Theorem - 4QA2 - From the Minitab output below, one item (SE Mean)
02:24
Central Limit Theorem - 4QA3 - One thousand bolts produced by a machine have a m
03:57
Central Limit Theorem - 4QA4 - A Normal distribution has a mean of 50 and a stan
03:12
Central Limit Theorem - 4QA5 - Regardless of the distribution of the individuals
01:59
Central Limit Theorem - 4QA6 - The distribution of a characteristic is negativel
01:45
Confidence Interval - 4QB1 - A survey was conducted in a country to determine th
03:01
Confidence Interval - 4QB2 - Which of the following will result in the narrowest
04:17
Confidence Interval - 4QB3 - Researchers want to determine the sleeping time eac
06:20
Confidence Interval - 4QB4 - A teacher found that in a sample of 80 students, 17
05:50
Hypothesis Tests Basics - 4QC1 - A medicine has 66% success rate. The compositio
03:01
Hypothesis Tests Basics - 4QC2 - A lubricating oil manufacturing company continu
04:36
Hypothesis Tests Basics - 4QC3 - Suppose you conducted 10 hypothesis tests, each
04:07
Hypothesis Tests Basics - 4QC4 - What is the probability of a Type II error when
02:00
Hypothesis Tests Basics - 4QC5 - Which of the following statements is correct re
05:11
Hypothesis Tests Basics - 4QC6 - What is the difference between setting the alph
02:50

Solutions: Quiz 5: Hypothesis Tests (One Sample and Two Sample)

26 lectures
Hypothesis Tests - 5QA1 - The average breaking strength of steel rods is require
04:55
Hypothesis Tests - 5QA2 - The average breaking strength of steel rods is require
03:07
Hypothesis Tests - 5QA3 - The average breaking strength of steel rods is require
09:07
Hypothesis Tests - 5QA4 - The average breaking strength of steel rods is require
06:26
Hypothesis Tests - 5QA5 - A random sample of 15 batteries resulted in the averag
09:00
Hypothesis Tests - 5QA6 - A survey claimed that 23% adults in the country read p
08:12
Hypothesis Tests - 5QA7 - To test the following hypothesis, what will be the tes
04:52
Hypothesis Tests - 5QA8 - Calculate the test statistic for the following hypothe
03:01
Hypothesis Tests - 5QA9 - Conduct the following hypothesis using the given data.
05:41
Hypothesis Tests - 5QA10 - The chi-square test statistic can have the __________
02:54
Hypothesis Tests - 5QB1 - A university has professors with Ph.D. and without a P
02:37
Hypothesis Tests - 5QB2 - If alpha = 0.05, what do you conclude from the below
03:12
Hypothesis Tests - 5QB3 - 50 men and 50 women were surveyed to find out their
03:43
Hypothesis Tests - 5QB4 - 50 men and 50 women were surveyed to find out their
06:16
Hypothesis Tests - 5QB5 - In a two-sample t-test under what condition the follow
04:38
Hypothesis Tests - 5QB6 - In a two-sample t-test under what condition the follow
01:46
Hypothesis Tests - 5QB7 - In a two-sample t-test, there are two approaches:
01:52
Hypothesis Tests - 5QB8 - A two-sample t-test was conducted using Minitab.
02:49
Hypothesis Tests - 5QB9 - From vendor A we test 200 pieces and find 30 defective
04:58
Hypothesis Tests - 5QB10 - From vendor A we test 200 pieces and find 30 defectiv
07:54
Hypothesis Tests - 5QB11 - How is an F value calculated?
01:11
Hypothesis Tests - 5QB12 - What attributes control the shape of an F distributio
02:04
Hypothesis Tests - 5QB13 - Use the tables to find F0.01 for an F random
03:14
Hypothesis Tests - 5QB14 - Use the tables to find F0.95 for an F random variable
02:58
Hypothesis Tests - 5QB15 - Two random samples taken from two normal populations
03:21
Hypothesis Tests - 5QB16 - Two random samples taken from two normal populations
05:18

Solutions: Quiz 6: ANOVA

11 lectures
ANOVA - 6QA1 - Analysis of variance is a statistical method of comparing the ___
01:37
ANOVA - 6QA2 - To test equality of means of more than 2 populations which of the
01:49
ANOVA - 6QA3 - What does ANOVA calculate?
01:39
ANOVA - 6QA4 - Three types of batteries were tested for the battery life. See th
03:40
ANOVA - 6QA5 - Find the missing values from the below one-way ANOVA table.
03:58
ANOVA - 6QA6 - What is the value of Adj SS Total in the below one-way ANOVA tabl
03:37
Goodness of Fit - 5QB1 - A fair coin is flipped 100 times, and the numbers of
08:51
Goodness of Fit - 5QB2 - The score of a test is normally distributed with the
04:20
Contingency Tables - 5QC1 - Which of the following tests is used to analyze the
03:03
Contingency Tables - 5QC2 - To test the effectiveness of a medicine, 235 patient
05:22
Contingency Tables - 5QC3 - To test the effectiveness of a medicine, 235 patient
09:19

Bonus Section

1 lectures
Bonus Lecture
00:38

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