Business Statistics Assignment (Total 40 Points)

 

Question 1: (10 Points)

 

Find the mean, median and mode of the following:

 

Presto Printing Company sales for the month of February.

(NOTE: The company is closed on Sundays.)

 

February 2: $4,694 February 3: $5,964 February 4: $3,309 February 5: $3,106 February 6: $7,124 February 7: $2,149 February 9: $3,123 February 10: $4,128

February 11: $3,198 February 12: $2,198 February 13: $6,287 February 14: $1,123 February 16: $4,598 February 17: $3,987 February 18: $3,009 February 19: $3,098

February 20: $5,980 February 21: $3,209 February 23: $6,541 February 24: $3,098 February 25: $4,598 February 26: $4,873 February 27: $9,876 February 28: $5,878

 

Question 2: (20 Points)

 

1. a) Set up a frequency distribution table and calculate the relative frequency for the following quiz scores that Matt achieved in his Algebra course:

Matt’s Quiz Scores: 85, 88, 92, 71, 100, 78, 61, 60, 89, 99, 100, 65, 98, 85, 92, 79, 81, 85, 100, and 100.

Use the following frequency intervals:

60 – 70

70 – 80

80 – 90

90 – 100

 

1. 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.

 

Question 3: (10 Points)

Patrick’s Average Sales:

 

Monday $4,099

Tuesday $6,700

Wednesday $0

Thursday $10,000

Friday $9,007

Saturday $9,776

Sunday $0

 

Is it better for Patrick to earn 7.5% based on his average daily sales or a flat $4,000 for the week?  In your explanation, please show your calculations.