For the following sets of data, calculate the mean and standard deviation of the

Question

For the following sets of data, calculate the mean and standard deviation of the data. Describe the mean and standard deviation in words after calculating it. a. The data set below gives the prices (in dollars) of cordless phones at an electrons store. 35, 50, 60, 60, 75, 65, 80 b. The data set below gives the numbers of home runs for the 10 batters who hit the most home rum during the 2005 Major league Baseball regular season 51, 48, 47, 46, 45, 43, 41, 40, 40, 39 c. The data set below gives the waiting times (in minutes) of several people at a department of motor vehicles service center. 11, 7, 14, 2, 8, 13, 3, 6, 10, 3, 8, 4, 8, 4, 7 d. The data set below gives the calories in a 1-ounce serving of several breakfast cereals. 135, 115, 120, 110, 110, 100, 105, 110, 125

Explanation / Answer

Mean and Standard deviation is calculated using excel function

Mean =>Average() and Standard deviation using formula, STDDEV.S()

The result of the foour part is written in a table below

Interpretation

a)The average price of the cordless phone is $60.71 with the deviation or amount of variation being $15.12.

b)The average number of home runs during 2005 league is 44 with the variation being 4.03 runs.

c)The average waiting time of people at a department of motor vehicle service center is 7.2 minutes with variation in waiting time being 3.67 minutes.

d)The average calorie in 1 ounce serving of breakfast cereals is 114.44 calorie with the variation being 10.72 calorie.

Part Mean Standard deviation a 60.71 15.12 b 44 4.03 c 7.2 3.67 d 114.44 10.74

Related Questions

Navigate

• Browse (All)
• Browse F
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.