EBK ELEMENTARY STATISTICS USING EXCEL
7th Edition
ISBN: 9780136937401
Author: Triola
Publisher: VST
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Chapter 4.2, Problem 28BSC
To determine
To calculate: The
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The table below indicates the number of years of experience of a sample of employees who work on a particular production line and the corresponding number of units of a good that each employee produced last month.
Years of Experience (x)
Number of Goods (y)
11
63
5
57
1
48
4
54
45
3
51
Q.1.1 By completing the table below and then applying the relevant formulae, determine the line of best fit for this bivariate data set.
Do NOT change the units for the variables.
X
y
X2
xy
Ex=
Ey=
EX2
EXY=
Q.1.2 Estimate the number of units of the good that would have been produced last month by an employee with 8 years of experience.
Q.1.3 Using your calculator, determine the coefficient of correlation for the data set.
Interpret your answer.
Q.1.4 Compute the coefficient of determination for the data set.
Interpret your answer.
Q.3.2 A sample of consumers was asked to name their favourite fruit. The results regarding the popularity of the different fruits are given in the following table.
Type of Fruit
Number of Consumers
Banana
25
Apple
20
Orange
5
TOTAL
50
Draw a bar chart to graphically illustrate the results given in the table.
Q.2.3 The probability that a randomly selected employee of Company Z is female is 0.75. The probability that an employee of the same company works in the Production department, given that the employee is female, is 0.25. What is the probability that a randomly selected employee of the company will be female and will work in the Production department?
Q.2.4 There are twelve (12) teams participating in a pub quiz. What is the probability of correctly predicting the top three teams at the end of the competition, in the correct order? Give your final answer as a fraction in its simplest form.
Chapter 4 Solutions
EBK ELEMENTARY STATISTICS USING EXCEL
Ch. 4.1 - Prob. 1BSCCh. 4.1 - 2. Probability Rewrite the following statement so...Ch. 4.1 - Prob. 3BSCCh. 4.1 - Prob. 4BSCCh. 4.1 - 5. Identifying Probability Values Which of the...Ch. 4.1 - 6. Penicillin “Who discovered penicillin: Sean...Ch. 4.1 - Prob. 7BSCCh. 4.1 - Prob. 8BSCCh. 4.1 - Prob. 9BSCCh. 4.1 - Prob. 10BSC
Ch. 4.1 - Prob. 11BSCCh. 4.1 - Prob. 12BSCCh. 4.1 - In Exercises 13-20, express the indicated degree...Ch. 4.1 - 14. SAT Test When making a random guess for an...Ch. 4.1 - Prob. 15BSCCh. 4.1 - Prob. 16BSCCh. 4.1 - 17. Randomness When using a computer to randomly...Ch. 4.1 - Prob. 18BSCCh. 4.1 - Prob. 19BSCCh. 4.1 - Prob. 20BSCCh. 4.1 - Prob. 21BSCCh. 4.1 - Prob. 22BSCCh. 4.1 - Prob. 23BSCCh. 4.1 - Prob. 24BSCCh. 4.1 - Prob. 25BSCCh. 4.1 - Prob. 26BSCCh. 4.1 - Prob. 27BSCCh. 4.1 - Prob. 28BSCCh. 4.1 - Prob. 29BSCCh. 4.1 - Prob. 30BSCCh. 4.1 - Prob. 31BSCCh. 4.1 - Prob. 32BSCCh. 4.1 - Prob. 33BSCCh. 4.1 - Prob. 34BSCCh. 4.1 - Prob. 35BSCCh. 4.1 - Prob. 36BSCCh. 4.1 - Prob. 37BSCCh. 4.1 - Prob. 38BSCCh. 4.1 - Prob. 39BSCCh. 4.1 - Prob. 40BSCCh. 4.1 - Prob. 41BBCh. 4.1 - Prob. 42BBCh. 4.1 - Prob. 43BBCh. 4.1 - Prob. 44BBCh. 4.2 - Prob. 1BSCCh. 4.2 - 2. Notation When randomly selecting adults, let M...Ch. 4.2 - Prob. 3BSCCh. 4.2 - Prob. 4BSCCh. 4.2 - Prob. 5BSCCh. 4.2 - Prob. 6BSCCh. 4.2 - Prob. 7BSCCh. 4.2 - Prob. 8BSCCh. 4.2 - Prob. 9BSCCh. 4.2 - Prob. 10BSCCh. 4.2 - Prob. 11BSCCh. 4.2 - Prob. 12BSCCh. 4.2 - Prob. 13BSCCh. 4.2 - Prob. 14BSCCh. 4.2 - Prob. 15BSCCh. 4.2 - Prob. 16BSCCh. 4.2 - Prob. 17BSCCh. 4.2 - Prob. 18BSCCh. 4.2 - Prob. 19BSCCh. 4.2 - Prob. 20BSCCh. 4.2 - Prob. 21BSCCh. 4.2 - Prob. 22BSCCh. 4.2 - Prob. 23BSCCh. 4.2 - In Exercises 21-24, use these results from the...Ch. 4.2 - Prob. 25BSCCh. 4.2 - Prob. 26BSCCh. 4.2 - Prob. 27BSCCh. 4.2 - Prob. 28BSCCh. 4.2 - Prob. 29BSCCh. 4.2 - Prob. 30BSCCh. 4.2 - Prob. 31BBCh. 4.2 - 32. Same Birthdays If 25 people are randomly...Ch. 4.2 - Prob. 33BBCh. 4.2 - Prob. 34BBCh. 4.3 - Prob. 1BSCCh. 4.3 - Prob. 2BSCCh. 4.3 - Prob. 3BSCCh. 4.3 - Prob. 4BSCCh. 4.3 - Prob. 5BSCCh. 4.3 - Prob. 6BSCCh. 4.3 - Prob. 7BSCCh. 4.3 - Prob. 8BSCCh. 4.3 - Prob. 9BSCCh. 4.3 - At Least One. In Exercises 5-12, find the...Ch. 4.3 - Prob. 11BSCCh. 4.3 - Prob. 12BSCCh. 4.3 - Denomination Effect. In Exercises 13-16, use the...Ch. 4.3 - Prob. 14BSCCh. 4.3 - Prob. 15BSCCh. 4.3 - Denomination Effect. In Exercises 13-16, use the...Ch. 4.3 - Prob. 17BSCCh. 4.3 - Prob. 18BSCCh. 4.3 - Prob. 19BSCCh. 4.3 - Prob. 20BSCCh. 4.3 - Prob. 21BSCCh. 4.3 - Prob. 22BSCCh. 4.3 - Prob. 23BSCCh. 4.3 - 24. Composite Water Samples The Fairfield County...Ch. 4.3 - Prob. 25BBCh. 4.3 - Prob. 26BBCh. 4.4 - Prob. 1BSCCh. 4.4 - Prob. 2BSCCh. 4.4 - Prob. 3BSCCh. 4.4 - Prob. 4BSCCh. 4.4 - Prob. 5BSCCh. 4.4 - 6. Social Security Numbers A Social Security...Ch. 4.4 - Prob. 7BSCCh. 4.4 - Prob. 8BSCCh. 4.4 - Prob. 9BSCCh. 4.4 - 10. Radio Station Call Letters If radio station...Ch. 4.4 - Prob. 11BSCCh. 4.4 - Prob. 12BSCCh. 4.4 - Prob. 13BSCCh. 4.4 - Prob. 14BSCCh. 4.4 - Prob. 15BSCCh. 4.4 - Prob. 16BSCCh. 4.4 - Prob. 17BSCCh. 4.4 - Prob. 18BSCCh. 4.4 - 19. ZIP Code If you randomly select five digits,...Ch. 4.4 - Prob. 20BSCCh. 4.4 - Prob. 21BSCCh. 4.4 - Prob. 22BSCCh. 4.4 - Prob. 23BSCCh. 4.4 - Prob. 24BSCCh. 4.4 - Prob. 25BSCCh. 4.4 - Prob. 26BSCCh. 4.4 - Prob. 27BSCCh. 4.4 - Prob. 28BSCCh. 4.4 - Prob. 29BSCCh. 4.4 - Prob. 31BSCCh. 4.4 - Prob. 32BSCCh. 4.4 - Prob. 33BSCCh. 4.4 - Prob. 34BSCCh. 4.4 - Prob. 35BSCCh. 4.4 - Prob. 36BSCCh. 4.4 - Prob. 37BBCh. 4.4 - Prob. 38BBCh. 4.4 - Prob. 39BBCh. 4.5 - Prob. 1BSCCh. 4.5 - Prob. 2BSCCh. 4.5 - Prob. 3BSCCh. 4.5 - Prob. 4BSCCh. 4.5 - Prob. 5BSCCh. 4.5 - Prob. 6BSCCh. 4.5 - Prob. 7BSCCh. 4.5 - Prob. 8BSCCh. 4.5 - Prob. 9BSCCh. 4.5 - Prob. 10BSCCh. 4.5 - Prob. 11BSCCh. 4.5 - Prob. 12BSCCh. 4.5 - Prob. 13BBCh. 4.5 - Prob. 14BBCh. 4.5 - Prob. 15BBCh. 4 - Prob. 1CQQCh. 4 - Prob. 2CQQCh. 4 - Prob. 3CQQCh. 4 - Prob. 4CQQCh. 4 - Prob. 5CQQCh. 4 - Prob. 6CQQCh. 4 - Prob. 7CQQCh. 4 - Prob. 8CQQCh. 4 - Prob. 9CQQCh. 4 - Prob. 10CQQCh. 4 - Prob. 1RECh. 4 - Prob. 2RECh. 4 - Prob. 3RECh. 4 - Prob. 4RECh. 4 - Prob. 5RECh. 4 - Prob. 6RECh. 4 - Prob. 7RECh. 4 - Prob. 8RECh. 4 - Prob. 9RECh. 4 - Prob. 10RECh. 4 - Prob. 11RECh. 4 - Prob. 12RECh. 4 - Prob. 13RECh. 4 - Prob. 14RECh. 4 - Prob. 15RECh. 4 - Prob. 1CRECh. 4 - Prob. 2CRECh. 4 - Prob. 3CRECh. 4 - Prob. 4CRECh. 4 - Prob. 5CRECh. 4 - Prob. 1FDDCh. 4 - Prob. 2FDDCh. 4 - Prob. 3FDDCh. 4 - Prob. 4FDDCh. 4 - Prob. 5FDDCh. 4 - Prob. 6FDDCh. 4 - Prob. 7FDDCh. 4 - Prob. 8FDDCh. 4 - Prob. 9FDD
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