Question: The average house has 14 paintings on its walls. Is the mean smaller for houses owned by teachers? The data show the results of a

The average house has 14 paintings on its walls. Is the mean smaller for houses owned by teachers? The data show the results of a survey of 16 teachers who were asked how many paintings they have in their houses. Assume that the distribution of the population is normal.

13, 12, 12, 15, 13, 11, 14, 13, 13, 15, 12, 12, 15, 14, 15, 15

What can be concluded at the = 0.10 level of significance?

For this study, we should use t-test for a population mean

H₀: = 14

H₁: < 14

The test statistic t = (please show your answer to 3 decimal places.)
The p-value = (Please show your answer to 4 decimal places.)

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