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A doctor wishes to estimate the mean triglyceride level of patients two hours after eating a...

A doctor wishes to estimate the mean triglyceride level of patients two hours after eating a steak dinner. To estimate the mean, you collect data from 22 patients. State the individual, variable, population, sample, parameter, and statistic.

Explain why the relative frequency column of a frequency table might not sum to 1.0.

Math   Statistics-And-Probability   
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A doctor wishes to estimate the mean triglyceride level of patients two hours after eating a steak dinner. To estimate the mean, you collect data from 22 patients.

individual : each patient whose data can be collected is an individual

variable : triglyceride level

population : steak dinner eaters

sample : 22 patients

parameter : mean triglyceride level of patients two hours after eating a steak dinner

statistic : mean triglyceride level of patients two hours after eating a steak dinner from 22 patients

Explain why the relative frequency column of a frequency table might not sum to 1.0

Since in relative frequency the denominator will be 22. hence the decimal error will occur while rounding off hence all the relative frequency might not sum to 1

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