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A Consumer Product Magazine Recently Ran a Story Concerning the Increasing

Question 71

Multiple Choice

A consumer product magazine recently ran a story concerning the increasing prices of digital cameras. The story stated that digital camera prices dipped a couple of years ago, but now are beginning to increase in price because of added features. According to the story, the average price of all digital cameras a couple of years ago was $215.00. A random sample of cameras was recently taken and entered into a spreadsheet. It was desired to test to determine if that average price of all digital cameras is now more than $215.00. The information was entered into a spreadsheet and the following printout was obtained: One-Sample T Test

Null Hypothesis: μ=215\mu = 215
Alternative Hyp: μ>215\mu > 215
\quad \quad \quad \quad \quad \quad \quad \quad \quad 95% Conf Interval 95 \% \text { Conf Interval }
 VariableMean SE LowerUpperTDF \text { Variable\quad Mean \quad SE \quad Lower\quad Upper\quad T\quad DF \quad P }
 Camera Price 245.2315.620212.740277.7201.94210.0333\text { Camera Price } 245.23 \quad 15.620 \quad 212.740 \quad 277.720 \quad 1.9421 \quad 0.0333
Cases Included 22 Use the p- value given above to determine which of the following conclusions is correct.


A) At ? = 0.01, there is sufficient evidence to indicate that the mean price of all digital cameras exceeds $215.00
B) At ? = 0.05, there is insufficient evidence to indicate that the mean price of all digital cameras exceeds $215.00
C) At ? = 0.10, there is insufficient evidence to indicate that the mean price of all digital cameras exceeds $215.00
D) At ? = 0.03, there is insufficient evidence to indicate that the mean price of all digital cameras exceeds $215.00

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