MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Determine the test statistic, t;.
(Round to two decimal places as needed.)
What conclusion should be drawn?
O A. Do not reject the null hypothesis. There is sufficient evidence to conclude that holiday shoppers spent, on average, less in 2009 than they did in 2008.
B. Do not reject the null hypothesis. There is not sufficient evidence to conclude that holiday shoppers spent, on average, less in 2009 than they did in 2008.
C. Reject the null hypothesis. There is not sufficient evidence to conclude that holiday shoppers spent, on average, less in 2009 than they did in 2008.
D. Reject the null hypothesis. There is sufficient evidence to conclude that holiday shoppers spent, on average, less in 2009 than they did in 2008.
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Transcribed Image Text:Determine the test statistic, t;. (Round to two decimal places as needed.) What conclusion should be drawn? O A. Do not reject the null hypothesis. There is sufficient evidence to conclude that holiday shoppers spent, on average, less in 2009 than they did in 2008. B. Do not reject the null hypothesis. There is not sufficient evidence to conclude that holiday shoppers spent, on average, less in 2009 than they did in 2008. C. Reject the null hypothesis. There is not sufficient evidence to conclude that holiday shoppers spent, on average, less in 2009 than they did in 2008. D. Reject the null hypothesis. There is sufficient evidence to conclude that holiday shoppers spent, on average, less in 2009 than they did in 2008.
According to research, holiday shoppers spent an average of $364 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 below.
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.
i More Info
O A. Ho: µs 364 and H,: µ> 364
O B. Ho: H= 364 and H,: µ# 364
$433 $268 $374 $239 $215 $211
C. Ho: µ2 364 and H1: µ< 364
356 $437 $382 $400 $327 $66
D. Ho: µ#364 and H,: µ = 364
$415 $429 $381 $283
Determine the critical value(s).
Print
Done
The critical value(s) is(are) .
(Round to three decimal places as needed. Use a comma to separate answers as needed.)
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Transcribed Image Text:According to research, holiday shoppers spent an average of $364 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 below. 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. i More Info O A. Ho: µs 364 and H,: µ> 364 O B. Ho: H= 364 and H,: µ# 364 $433 $268 $374 $239 $215 $211 C. Ho: µ2 364 and H1: µ< 364 356 $437 $382 $400 $327 $66 D. Ho: µ#364 and H,: µ = 364 $415 $429 $381 $283 Determine the critical value(s). Print Done The critical value(s) is(are) . (Round to three decimal places as needed. Use a comma to separate answers as needed.)
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