(a cont.) Determine the test statistic (Answer Here) p-Value (Answer Here) Accor
ID: 3178825 • Letter: #
Question
(a cont.)
Determine the test statistic (Answer Here)
p-Value (Answer Here)
According to research, holiday shoppers spent an average of $368 over a holiday weekend in 2008. The accompanying data show the amount spent by a random sample of holiday shoppers during the same weekend in 2009. Complete parts a and b below. EE: Click the icon to view the data table. a. Retailers were concerned that the recent economic downturn was going to affect holiday sales. Does this sample support these concerns using a 0.10? Determine the null and alternative hypotheses. Choose the correct answer below. More Info O A. H H 368 and H H 368 1: B. Ho: H2368 and H1 HK 368 C. Ho: HA 368 and H1: H 368 $434 $280 $370 $233 $226 $214 D. Ho: Hs 368 and H1: H 368 $355 $440 $389 $401 $316 $63 $421 $435 $376 $272 Determine the critical value(s) The critical value(s) is(are) Print Done (Round to three decimal places as needed. Use a comma to separate answers as needed.)Explanation / Answer
from above
critical value for left tailed and 0.1 level with 15 degree of freedom =-1.3406
test stat =(X-mean)/std error = -1.5759
and p value for above =0.0679
X 434.0000 280.0000 370.0000 233.0000 226.0000 214.0000 355.0000 440.0000 389.0000 401.0000 316.0000 63.0000 421.0000 435.0000 376.0000 272.0000 mean(X) 326.5625 std deviation(S) 105.1748 std error =S/(n)1/2 26.2937Related Questions
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