A study was conducted to determine if the performance of a certain type of surgery on young horses had any effect on certain kinds of blood cell types in the animal. Fluid samples were taken from each of six foals before and after surgery. The samples were analyzed for the number of postoperative white blood cell (WBC) leukocytes. A preoperative measure of WBC leukocytes was also measured, with the accompanying results. Use a paired sample t-test to determine if there is a significant change in WBC leukocytes with the surgery. Click here to view the leukocyte data) Click here to view page 1 of the table of critical values of the t-distribution. Click here to view page 2 of the table of critical values of the t-distribution. Let sample 1 be the presurgery data, let sample 2 be the postsurgery data, and let µp = H1 - H2. State the null and alternative hypotheses.

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1
Leukocyte Data
Foal
Presurgery*
Postsurgery* O
1
10.77
10.58
2
12.89
16.61
3
9.61
17.19
4
8.79
14.01
12.03
10.61
6.
6.08
8.62
- 3
*All values x 10¯°.
Print
Done
Transcribed Image Text:1 Leukocyte Data Foal Presurgery* Postsurgery* O 1 10.77 10.58 2 12.89 16.61 3 9.61 17.19 4 8.79 14.01 12.03 10.61 6. 6.08 8.62 - 3 *All values x 10¯°. Print Done
A study was conducted to determine if the performance of a certain type of surgery on young horses had any effect on
certain kinds of blood cell types in the animal. Fluid samples were taken from each of six foals before and after surgery.
The samples were analyzed for the number of postoperative white blood cell (WBC) leukocytes. A preoperative
measure of WVBC leukocytes was also measured, with the accompanying results. Use a paired sample t-test to
determine if there is a significant change in WBC leukocytes with the surgery.
Click here to view the leukocyte data
Click here to view page 1 of the table of critical values of the t-distribution.
Click here to view page 2 of the table of critical values of the t-distribution.
Let sample 1 be the presurgery data, let sample 2 be the postsurgery data, and let pp = H, - Hɔ. State the null and
alternative hypotheses.
Ho: HD =
H1: HD #
Determine the test statistic.
t=
(Round to two decimal places as needed.)
Transcribed Image Text:A study was conducted to determine if the performance of a certain type of surgery on young horses had any effect on certain kinds of blood cell types in the animal. Fluid samples were taken from each of six foals before and after surgery. The samples were analyzed for the number of postoperative white blood cell (WBC) leukocytes. A preoperative measure of WVBC leukocytes was also measured, with the accompanying results. Use a paired sample t-test to determine if there is a significant change in WBC leukocytes with the surgery. Click here to view the leukocyte data Click here to view page 1 of the table of critical values of the t-distribution. Click here to view page 2 of the table of critical values of the t-distribution. Let sample 1 be the presurgery data, let sample 2 be the postsurgery data, and let pp = H, - Hɔ. State the null and alternative hypotheses. Ho: HD = H1: HD # Determine the test statistic. t= (Round to two decimal places as needed.)
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