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Question 13 Not yet answered Marked out of 4.00 P Flag question Imagine that the

ID: 3055340 • Letter: Q

Question

Question 13 Not yet answered Marked out of 4.00 P Flag question Imagine that the average weight of a total of 500 girls in a high school is 35kg. Tom randomly sampled 10 girls and measured their weight. And then he repeated this procedure for three times. The means and standard deviations are listed as following. Which sample estimate shows the least sample variability? Select one or more: Exp a. Sample one: mean=34, SE-6 b. Sample two: mean-30, SE-2 C. Sample three: mean= 26, SE-3 d. Sample four: mean- 38, SE-5

Explanation / Answer

Sample two: mean=30, SE = 2 shows the least sample variability.

The sampling variability of a statistic refers to how much the statistic varies from sample to sample and is usually measured by its standard error (SE); the smaller the standard error, the less the sampling variability.
Here, Sample two has the least SE.

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