The weights of five players on a football team are shown below. Consider these p

Question

The weights of five players on a football team are shown below. Consider these players to be a population of interest. The table below shows all of the possible samples of size three. For each sample, the players in the sample, their weights, and the sample mean are listed. Use the table to find the mean of the variable x. Are A and B independent events? distribution of the sample mean. In particular, state whether the distribution of x is approximately normal and give its mean and standard deviation. heights of people in a certain population are normally distributed with a mean of 65 inches a standard deviation of 3.9 inches. the sampling distribution of the mean for samples of size 44.

Explanation / Answer

From the table given, the mean of variable x will be

= (283.33+285+273.33+265+253.33+255+271.66+260+261.66+241.66)/10

= 264.997

Yes, the scores are independent since each player scores independently of other

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