n = 25, μ = 13, o² = 9 Describe the shape of the sampling distribution of the sample mean. O The distribution is skewed left. The distribution is uniform. O The distribution is normal. The distribution is skewed right. O The distribution is bimodal. Find the mean and standard error of the sampling distribution of the sample mean. mea standard error

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Random samples of size n were selected from a normal population with the means and variances given here.
n = 25, μ = 13, o² = 9
Describe the shape of the sampling distribution of the sample mean.
O The distribution is skewed left.
The distribution is uniform.
O The distribution is normal.
The distribution is skewed right.
O The distribution is bimodal.
Find the mean and standard error of the sampling distribution of the sample mean.
mean
standard error
Transcribed Image Text:Random samples of size n were selected from a normal population with the means and variances given here. n = 25, μ = 13, o² = 9 Describe the shape of the sampling distribution of the sample mean. O The distribution is skewed left. The distribution is uniform. O The distribution is normal. The distribution is skewed right. O The distribution is bimodal. Find the mean and standard error of the sampling distribution of the sample mean. mean standard error
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