Keep cool: Following are prices, in dollars, of a random sample of ten 7.5-cubic-foot refrigerators. A consumer organization reports that the mean price of 7.5-cubic-foot refrigerators is less than $370. Do the data provide convincing evidence of this claim? Use the a = 0.01 level of significance and the P-value method with the TI-84 Plus calculator. 350 414 360 313 353 318 369 383 329 339 Send data to Excel Part: 0 / 5 Part 1 of 5 Following is a dotplot for these data. Is it reasonable to assume that the conditions for performing a hypothesis test are satisfied? Explain. 300 350 400 450 The dotplot shows that there (Choose one) outliers. The dotplot shows that there (Choose one) evidence of strong skewness. We (Choose one) ▼ assume that the population is approximately normal. It (Choose one) ▼reasonable to assume that the conditions are satisfied.

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Author:Amos Gilat
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Keep cool: Following are prices, in dollars, of a random sample of ten 7.5-cubic-foot refrigerators. A consumer organization
reports that the mean price of 7.5-cubic-foot refrigerators is less than $370. Do the data provide convincing evidence of this
claim? Use the a=0.01 level of significance and the P-value method with the TI-84 Plus calculator.
350
414
360
313
353
318
369
383
329
339
Send data to Excel
Part: 0 / 5
Part 1 of 5
Following is a dotplot for these data. Is it reasonable to assume that the conditions for performing a hypothesis test are
satisfied? Explain.
300
350
400
450
The dotplot shows that there (Choose one) V
outliers.
The dotplot shows that there(Choose one)
evidence of strong skewness.
We (Choose one) ▼
assume that the population is approximately normal.
It (Choose one)
reasonable to assume that the conditions are satisfied.
Transcribed Image Text:Keep cool: Following are prices, in dollars, of a random sample of ten 7.5-cubic-foot refrigerators. A consumer organization reports that the mean price of 7.5-cubic-foot refrigerators is less than $370. Do the data provide convincing evidence of this claim? Use the a=0.01 level of significance and the P-value method with the TI-84 Plus calculator. 350 414 360 313 353 318 369 383 329 339 Send data to Excel Part: 0 / 5 Part 1 of 5 Following is a dotplot for these data. Is it reasonable to assume that the conditions for performing a hypothesis test are satisfied? Explain. 300 350 400 450 The dotplot shows that there (Choose one) V outliers. The dotplot shows that there(Choose one) evidence of strong skewness. We (Choose one) ▼ assume that the population is approximately normal. It (Choose one) reasonable to assume that the conditions are satisfied.
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