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1 page/≈275 words
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APA
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Mathematics & Economics
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English (U.S.)
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# Statistics - sampling (Essay Sample)

Instructions:
Measure your pulse rate for one minute and post your rate in a discussion board message. You need to do this at the very beginning of the module and then return later to use this data to answer the following questions. Please note: All students in the class should be considered the population. -Compute the population means pulse rate. -Obtain a simple random sample of n=4 students (select from the initial discussion board messages containing pulse rates) and compute the sample mean. Does the sample mean equal the population mean?. -Obtain a second simple random sample of n=4 students and compute the sample mean. Does the sample mean equal the population mean? -Are the sample means the same? Why? source..
Content:
Statistics: sampling Name Institution Date of submission The population mean pulse rate Using a population of ten students, the following results are obtained; 54.5,59,66,72.1,57,58,70,62,60,61.2. The populations mean pulse rate is computed as follows;  QUOTE   = 61.98 Obtain a simple random sample of n= 4 students (select from the initial discussion board messages containing pulse rates) and compute the sample mean. Does the sample mean equal the populations mean? When I obtain a simple random sample of n=4 students i.e. 54.5, 66, 57, 62; The sample mean will be  QUOTE  =59.875 The sample mean is not exactly equal to the population mean because there is a marginal difference of 2.105. Obtain a second simple random sample of n=4 students and compute the sample mean. Does the sample mean equal the populations mean?  When I obtain a second random sample of n=4 students i.e. 59, 72.1, 61.2, 58 The sample mean will be  QUOTE  = 62.575 The sample mean is not exactly equal to the population mean because there is a marginal differenc...
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