IMPORTANT: In any question, if there is a calculation, first provide the formula and then show your calculations for your answers. Please, provide yo

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Question details:

IMPORTANT: In any question, if there is a calculation, first provide the formula and then show your calculations for your answers.

Please, provide your answers under each question.

Data files can be found in the D2L.

Question 1(Short Exercise 6 in the book) (2*3=6 points)

Determine the median and the first and third quartiles in the following data.

5.24

6.02

6.67

7.30

7.59

7.99

8.03

8.35

8.81

9.45

9.61

10.37

10.39

11.86

12.22

12.71

13.07

13.59

13.89

15.42

Median =

Q1 =

Q3 =

Question 2 (Short Exercise 10 in the book) (2*5=10 points)

The box plot shows the undergraduate in-state tuition per credit hour at four-year public colleges.

Estimate the median.

Estimate the first and third quartiles.

Determine the interquartile range.

Beyond what point is a value considered an outlier?

Identify any outliers and estimate their values.

 

Question 3 (Short Exercise 14 in the book) (2.5*2=5 points)

Listed below are the salaries, in $000, for a sample of 15 chief financial officers in the electronics industry.

$516.0

$548.0

$566.0

$534.0

$586.0

$529.0

546.0

523.0

538.0

523.0

551.0

552.0

486.0

558.0

574.0

     

Determine the mean, median, and the standard deviation.

Determine the coefficient of skewness using Pearson’s method.

Question 4(Short Exercise 17 in the book) (2*2=4 points)

Develop a scatter diagram for the following sample data.

How would you describe the relationship between the values?

x-Value

y-Value

10

6

8

2

9

6

11

5

13

7

x-Value

y-Value

11

6

10

5

7

2

7

3

11

7

 


Attached Files


Answer Files

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