Describe T-Distributions. -A Small Business Ships Specialty Homemade Candies to Anywhere in Anywhere

question 15

Multiple Choice

Describe t-distributions.
-A small business ships specialty homemade candies to anywhere in the world. Past
Records indicate that the weight of orders is normally distributed. Suppose a random
Sample of 16 orders is selected and each is weighed. The sample mean was found to be
110 grams with a standard deviation of 14 grams. Which of the following statements is
True?

• A) The sampling distribution for the sample mean follows the t-distribution with 16 degrees of freedom.
• B) The sampling distribution for the sample mean follows the t-distribution with 15 degrees of freedom.
• C) The mean of the sampling distribution for the sample mean is 110 grams.
• D) The sampling distribution for the sample mean is Normal with a mean of 110 grams and standard deviation of 14 grams.
• E) The standard error is 14 grams.

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