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The following data are lifetimes in seconds of a sample of 17 microbes: 33, 44, 35,...

The following data are lifetimes in seconds of a sample of 17 microbes:

33, 44, 35, 36, 41, 53, 37, 36, 29, 35, 32, 33, 34, 39, 41, 33

a) make a relative frequency histogram of these data

b) is it appropriate to apply the empirical rule in this case? explain.

c) regardless of whether or not you think it is appropriate, use the empirical rule to approximate the proportion of all microbes with lifetimes greater than 40 seconds.

d) draw and label a boxplot of the data

Math   Statistics-And-Probability   
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Answer #1

a) make a relative frequency histogram of these data

b) is it appropriate to apply the empirical rule in this case? explain.

Yes, since the data is approximately normal.

c) regardless of whether or not you think it is appropriate, use the empirical rule to approximate the proportion of all microbes with lifetimes greater than 40 seconds.

35 + 1*5 = 40

16% of all microbes with lifetimes are greater than 40 seconds.

d) draw and label a boxplot of the data

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