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A random sample of 13 teenagers were surveyed for a hypothesis test about the mean weekly amount spent on convenience goods. Researchers conduct a one-mean hypothesis test, at the 1% significance level, to test whether the average spent per week on convenience goods is greater than 50 dollars.

User Michael Roland
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11 votes
11 votes

Answer:

Please find the complete question and the graph in the attached file.

Explanation:

On the basis of the data,

The level of importance is
\alpha = 0.01

Freedom levels
= n -1 = 13 -1 = 12

For the right-tailed test, the critical value is
t_c = 2.681

(Partially t-table permitted
\alpha = 0.01 \ and\ df =12)

A random sample of 13 teenagers were surveyed for a hypothesis test about the mean-example-1
A random sample of 13 teenagers were surveyed for a hypothesis test about the mean-example-2
User Airstrike
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