Using the data in the following chart, answer the questions below:   A. Calculate by hand the Z-score for the following individuals: - Person 4 plant A Z-Score = 1.08 - Person 3 plant B

A sales manager recorded the number of sales made by each of the 300 salespeople working athis chain of furniture outlet stores on a Saturday and created the following table.# Sales (bins) Proportion of salespeople in this bin0 – 3 0.053 – 6 0.156 – 9 0.30 9 – 12 0.3512 -15 0.15a. What is the unit of observation in this sample?b. What is the variable collected?c. Draw and label the histogram for this dataset.d. Which is the modal category?e. Calculate the proportion of the salespeople made 9 or more sales.f. Calculate the number of salespeople who made between 0 and 9 sales.

The data to the right represent the number of chocolate chips per cookie in a random sample of a name brand and a store brand. Complete parts (a) to (c) below. (a) Draw side-by-side boxplots for each brand of cookie. Label the boxplots "N" for the name brand and "S" for the store brand Choose the correct answer below. O A. OB. O C. O D. S 10 N- 20 30 40 Q 17 S N- 10 20 30 40 9.1 ✔ N- 27 S- 10 20 30 40 Q N- ام 10 20 30 Name Brand 20 22 25 27 30 20 29 33 21 Full data set D Store Brand 24 23 21 27 19 26 24 33 15 23 22 26 22 28 17 25 28 40 G

A. Refer to the data and solve for the required measures of position. The following are the grades of 25 students in the first marking period of their Calculus I class. 65, 68, 70, 71, 73, 75, 75, 76, 78, 78, 79, 80, 83, 85, 87, 88, 89, 90, 90, 91, 93, 94, 95, 95, 97

Twenty-five randomly selected students were asked the number of movies they watched the previous week. The results are as follows. # of movies Frequency Relative Frequency Cumulative Relative Frequency 0 5     1 9     2 6     3 4     4 1     Table 2.67 Construct a histogram of the data. Complete the columns of the chart.

Find the median,first quartile, third quartile, and interquartile range of the data:40,33,37,54,41,34,27,39,35

Frank’s Furniture employees earned the following amounts last week:         $351.96    $195.35    $219.93    $492.35    $544.40         $250.90    $363.64    $455.08    $286.12 What is the IQR for this data set?

Winston has just gone grocery shopping. The mean cost for each item in his bag was $3.48. He bought a total of 9 items, and the prices of 8 of those items are listed below: $2.75,$4.06,$3.16,$3.92,$4.29,$2.77,$3.01,$4.57 Determine the price of the 9th item in his bag.

Use the frequency histogram to complete the following parts. (a) Determine the number of classes. (b) Estimate the greatest and least frequencies. (c) Determine the class width. (d) Describe any patterns with the data. (a) There are (Type a whole number.) classes. (b) The least frequency is about (Round to the nearest whole number as needed.) The greatest frequency is about. (Round to the nearest whole number as needed.) (c) The class width is $0. (Type an integer or a decimal. Do not round.) (d) What pattern does the histogram show? A. About half of the employees' salaries are between $40,000 and $49,000. B. About half of the employees' salaries are between $50,000 and $59,000. C. Most employees make less than $34,000 or more than $60,000. D. Less than half of the employees make between $35,000 and $59,000. Frequency 300- 200- 100- 0- Employee Salaries 32 37 42 47 52 57 62 Salary (in thousands of dollars) O

wenty members of a health club who jog were asked how many miles they jog per week. The responses are to the right. Construct a​ stem-and-leaf display. For single digit​ data, use a stem of 0.       Question content area bottom left Part 1 Complete the​ stem-and-leaf display.   enter your response here enter your response here enter your response here enter your response here enter your response here enter your response here enter your response here enter your response here enter your response here enter your response here ​(Use ascending​ order.)   ...   Question content area right Part 1 14 17 5 8 10   27 23 31 19 6   5 25 40 22 16   13 21 33 19 14