Use the given data to construct a frequency and relative frequency distribution.

Question

Use the given data to construct a frequency and relative frequency distribution. 1) On a math test, the scores of 24 students were 91 74 73 66 73 73 91 87 73 61 84 74 74 84 73 74 84 73 74 87 74 84 87 66 Construct a frequency and relative frequency distribution. Use 4 classes beginning with a lower class limit of A) B) Score |Frequency Relative Frequency Score F Relative Frequency f/n f/n | |3/24-13% |1|/24 ~ 46% 18/24-33% |224 ~ 896 3 12 7 |3/24~13% 112/24-50% 724 29% 60-69| 3 11 8 2 W-801 80-90 80-89 90-99| 90-1001 2 12/24a8% C) D) Score Frequency Score Frequency Relative Frequency 60-69 3 70-79| 12 |12/100-12% 80-89| 7 | 7/100-7% Relative Frequency f/n f/n 3 324 13% 70-79112 11224 50% 80-89| 7 |724 +29% 90-991 2 1224-896 3/100-. 3% 90-992 2/100= 2% Use this graph to answer the question. Big "D" Sales for 2009, 2010 76 72 68 64 (thousands of dollars) 60 56 52 48 2010 Sales 2009 1 2 3 4 5 6 7 8 910 11 12 Month 2) Which month in 2009 had the highest sales? B) Month 5 A) Month 6 C) Month 3 D) Month 8

Explanation / Answer

1) answer is (B)

Note: As one student can score 100 , which is omitted in others.

Also relative frequency calculated as frequency/ total frequency, total frequency is 24

2) we can see that month 5 has highest sale in 2009, that is 52

So answer is

B) month 5

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