Question

Find the mean, median and mode of the following: (Explain your math work)

Presto Printing Company sales for the month of February.

(NOTE: The company is closed on Sundays.)

February 2: $4,794 February 3: $5,954 February 4: $3,309 February 5: $3,106 February 6: $7,124 February 7: $2,349 February 9: $3,123 February 10: $4,128

February 11: $3,198 February 12: $2,198 February 13: $7,287 February 14: $1,323 February 16: $4,598 February 17: $3,987 February 18: $3,099 February 19: $3,098

February 20: $5,950 February 21: $3,209 February 23: $6,531 February 24: $3,098 February 25: $4,598 February 26: $4,873 February 27: $9,976 February 28: $5,878

Explain which measure of central tendency is “best” in this scenario and why.

Question 2:

1. Set up a frequency distribution table and calculate the relative frequency for the following quiz scores that Matt achieved in his Algebra course. Explain the difference between frequencies and relative frequencies.

Matt’s Quiz Scores: 87, 88, 92, 79, 100, 76, 61, 60, 79, 99, 100, 69, 98, 87, 92, 79, 81, 85, 100, and 100.

Use the following frequency intervals:

60 – 70

70 – 80

80 - 90

90 – 100

b. Calculate the variance and standard deviation for Matt’s quiz scores.
Suggestion: set the problem up in steps within a table like the textbook illustrates.

c. Explain standard deviation and how it relates to the data.

Question 3:

Ben’s Average Sales:

Monday $5,099

Tuesday $6,900

Wednesday $0

Thursday $10,500

Friday $9,407

Saturday $9,766

Sunday $0

Is it better for Ben to earn 7.5% based on his average daily sales or a flat $4,000 for the week? Explain the pros and cons of each pay plan.

Answer 1

For the solution of above questions please go through the images attached.

Read carefully and try to understand what needs to be calculated.

1.

2.

3.

Thank you and all the best.