A company selling licenses for new e-commerce computer software advertises that firms using this software obtain, on average during the first year, a yield of 10% on their initial investments. A random sample of 10 of these franchises produced the yields shown below for the first year of operation. 7.8 9.7 11.4 8.4 14.1 5.5 8.3 10.4 9.2 8.2 D Assuming that population yields are normally distributed, test the company's claim at the 5% significance level. Click the icon to view the upper critical values of the Student's t distribution. ..... ru OA. Reject Ho if s/ n < -In -1a x-Ho =>n-1a O B. Reject H, if s/ yn X-Ho x-Ho >h-1,a/2 C. Reject Ho if (--1a/2 or reject H, if sl n s/ n Determine the value(s) for -t-1a h-1a• or ±th-1a/2 as appropriate for this test. (Round to two decimal places as needed. Use a comma to separate answers as needed.) Enter your answer in the answer box and then click Check Answer.

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A company selling licenses for new e-commerce computer software advertises that firms using this software obtain, on average during the first year, a yield of 10% on
their initial investments. A random sample of 10 of these franchises produced the yields shown below for the first year of operation.
7.8
9.7
11.4
8.4
14.1
5.5
8.3
10.4
9.2
8.2 D
Res
Assuming that population yields are normally distributed, test the company's claim at the 5% significance level.
Click the icon to view the upper critical values of the Student'st distribution.
Opti
O A. Reject H, if
s/yn
< -h-1a
icati
メーPo
O B. Reject Ho if
>n-1,a
s/ yn
メードo
x-Ho
-La/2 or reject H, if
s/n
5-1a/2
OC. Reject Ho if
s/ yn
Determine the value(s) for -t-1ah-1« 0r ±t,-1a/2 as appropriate for this test.
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
Enter your answer in the answer box and then click Check Answer.
Transcribed Image Text:A company selling licenses for new e-commerce computer software advertises that firms using this software obtain, on average during the first year, a yield of 10% on their initial investments. A random sample of 10 of these franchises produced the yields shown below for the first year of operation. 7.8 9.7 11.4 8.4 14.1 5.5 8.3 10.4 9.2 8.2 D Res Assuming that population yields are normally distributed, test the company's claim at the 5% significance level. Click the icon to view the upper critical values of the Student'st distribution. Opti O A. Reject H, if s/yn < -h-1a icati メーPo O B. Reject Ho if >n-1,a s/ yn メードo x-Ho -La/2 or reject H, if s/n 5-1a/2 OC. Reject Ho if s/ yn Determine the value(s) for -t-1ah-1« 0r ±t,-1a/2 as appropriate for this test. (Round to two decimal places as needed. Use a comma to separate answers as needed.) Enter your answer in the answer box and then click Check Answer.
Calculate the decision statistic.
X-Ho
1.98 (Round to two decimal places as needed.)
%3D
s/ yn
Transcribed Image Text:Calculate the decision statistic. X-Ho 1.98 (Round to two decimal places as needed.) %3D s/ yn
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