Find the mean, median and mode of the following: Presto Printing Company sales f

Question

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: $4,594 February 3: $5,954 February 4: $3,309 February 5: $3,106 February 6: $7,324 February 7: $2,149 February 9: $3,123 February 10: $4,128 February 11: $3,198 February 12: $2,198 February 13: $7,287 February 14: $1,923 February 16: $4,598 February 17: $3,987 February 18: $3,399 February 19: $3,098 February 20: $5,980 February 21: $3,209 February 23: $6,531 February 24: $3,098 February 25: $4,898 February 26: $4,873 February 27: $9,876 February 28: $5,878 Question 2: (20 Points) 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: 84, 88, 92, 79, 100, 79, 61, 60, 79, 99, 100, 66, 98, 85, 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. Question 3: (10 Points) Patrick’s Average Sales: Monday $3,099 Tuesday $8,900 Wednesday $0 Thursday $10,000 Friday $9,707 Saturday $9,766 Sunday $0 Is it better for Pat to earn 7.5% based on his average daily sales or a flat $4,000 for the week?

Explanation / Answer

Solution

1) Mean = 107718/24 = $ 4,488.25

Median = 12th and 13 th term = $ 4,057.5

Mode = $ 3,098 (occured twice)

        1,923         2,149         2,198         3,098         3,098         3,106         3,123         3,198         3,209         3,309         3,399         3,987         4,128         4,594         4,598         4,873         4,898         5,878         5,954         5,980         6,531         7,287         7,324         9,876

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