Topic: CENTRALIZATION AND DISPERSION MEASURES GROUPED DATA The following table shows the pulses (beats per minute) obtained from a simple random sample of 40 men and another simple random sample of 40 women. Women 76 72 88 60 72 68 80 64 68 68 80 76 68 72 96 72 68 72 64 80 64 80 76 76 76 80 104 88 60 76 72 72 88 80 60 72 88 88 124 64 Men 68 64 88 72 64 72 60 88 76 60 96 72 56 64 60 64 84 76 84 88 72 56 68 64 60 68 60 60 56 84 72 84 88 56 64 56 56 60 64 72 a) Find the mean, median, mode, variance and standard deviation for women's pulses and men. Use the formula for grouped data b) Issue three conclusions regarding the data distributions. c) Determine what are the heart rates of 75% of the sample of women. Does the same happen with the men?
Topic: CENTRALIZATION AND DISPERSION MEASURES GROUPED DATA
The following table shows the pulses (beats per minute) obtained from a simple random sample of 40 men and another simple random sample of 40 women.
Women
76 72 88 60 72 68 80 64 68 68 80 76 68 72 96 72 68 72 64 80 64 80 76 76 76 80 104 88 60 76 72 72 88 80 60 72 88 88 124 64
Men
68 64 88 72 64 72 60 88 76 60 96 72 56 64 60 64 84 76 84 88 72 56 68 64 60 68 60 60 56 84 72 84 88 56 64 56 56 60 64 72
a) Find the mean,
b) Issue three conclusions regarding the data distributions.
c) Determine what are the heart rates of 75% of the sample of women. Does the same happen with the men?
d) It is often said that an adequate pulse for a being human is between 60 and 80 beats per minute. What percentage of men and women are found in this strip?
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