Homework Answers
Sol:
df=26
using excel
=T.INV(0.05,26)
=-1.70562
Tc=-1.706
I have rounded to 3 decimals)
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- 15 EU 02:40:15 Consider the value of such that 0.05 of the area under the...
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Consider the value of t such that 0.05 of the area under the curve is to the left of 1. Step 2 of 2: Assuming the degrees of freedom equals 15. select the value from the I table. Answer E Tables Keypad Keyboard Shortcuts To select a value from the table either click the cell at the intersection of the row and column or use the arrow keys to find the appropriate cell in the table and select it using...
19 Find the critical value t for the confidence level c= 0.90 and sample size n=7....
19
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Determine the t-value in each of the cases. Click the icon to view the table of...
Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. (a) Find the t-value such that the area in the right tail is 0.15 with 30 degrees of freedom. (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.025 with 16 degrees of freedom. (Round to three decimal places as needed.) (c) Find the t-value such that the area...
Using a table of critical t-values of the t distribution, find the range of values for...
Using a table of critical t-values of the t distribution, find
the range of values for the P-value for testing a claim about the
mean body temperature of healthy adults for a left-tailed test
with n=12 and test statistic t= -2.475
What is the range of values for the P-value?
A. 0.01 <P-value< 0.025
B. 0.025<P-value<0.05
C. P-value<0.005
D. 0.005 <P-value<0.01
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3. Using the t-distribution table posted on Moodle, find the df & critical t-values given N & the confidence level: N 30, 90% confidence level b. N 17, 90% confidence level c. N 23, 95% confidence level d. N 42, 99% confidence level e. N o 1,95% confidence level a. t-distribution Table TABLE D Thet distribution* Confidence interval percents (two-tailed) 80% 90% 95% 98% 99% 99.9% a level for two-tailed test 20 .10 .05 02 01 .001 a level for...
Consider the value of t such that 0.05 of the area under the curve is to the left of 1. Step 2 of 2: Assuming the degrees of freedom equals 15. select the value from the I table. Answer E Tables Keypad Keyboard Shortcuts To select a value from the table either click the cell at the intersection of the row and column or use the arrow keys to find the appropriate cell in the table and select it using...
19
Find the critical value t for the confidence level c= 0.90 and sample size n=7. Click the icon to view the t-distribution table. 11 to (Round to the nearest thousandth as needed.) ters 5, 6, & 7 Time Ren 19 of 32 (24 complete) i t-Distribution Table - X Level of confidence, One tail, a Two tails, a d.f. d.r. 1 1 2 3 4 5 0.80 0.10 0.20 3.078 1.886 1.638 1.533 1.476 1.440 1.415 1.397 1.383 1372...
Find the critical value(s) and rejection region(s) for the indicated t-test, level of significance a, and sample size n. Two-tailed test, a = 0.02, n=28 Click the icon to view the t-distribution table. The critical value(s) is/are (Round to the nearest thousandth as needed. Use a comma to separate answers as needed.) Determine the rejection region(s). Select the correct choice below and fill in the answer box(es) within your choice. (Round to the nearest thousandth as needed.) OB. << O...
Find the margin of error for the given values of c, s, and n. t-Distribution Table c=0.95, s =3.6, n = 21 Click the icon to view the t-distribution table. The margin of error is (Round to one decimal place as needed.) Level of confidence, C One tail, a Two tails, a d.f. 1 2 3 4 5 6 0.50 0.25 0.50 1.000 .816 765 741 727 .718 .711 706 703 .700 .697 .695 .694 .692 .691 7 8 0.80...
Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. (a) Find the t-value such that the area in the right tail is 0.05 with 27 degrees of freedom. (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.25 with 17 degrees of freedom. (Round to three decimal places as needed.) (c) Find the t-value such that the area...
Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. (a) Find the t-value such that the area in the right tail is 0.15 with 30 degrees of freedom. (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.025 with 16 degrees of freedom. (Round to three decimal places as needed.) (c) Find the t-value such that the area...
Using a table of critical t-values of the t distribution, find
the range of values for the P-value for testing a claim about the
mean body temperature of healthy adults for a left-tailed test
with n=12 and test statistic t= -2.475
What is the range of values for the P-value?
A. 0.01 <P-value< 0.025
B. 0.025<P-value<0.05
C. P-value<0.005
D. 0.005 <P-value<0.01
x t-table t distribution: Critical t values 0.005 0.01 Area in One Tail 0.025 0.05 0.10 Degrees of Freedom...
Find the critical value(s) and rejection region(s) for the indicated t test level of significance α and sample size n Left-tailed test, α: 0.005, n 7 Click the icon to view the t-distribution table. The critical value(s) isare (Round to the nearest thousandth as needed. Use a comma to separate answers as needed ) Determine the rejection region(s) Select the correct choice below and filt in the answer boxies) within your choice Round to the nearest thousandth as needed) OB...
Do one of the following, as appropriate. (a) Find the critical value z/2. (b) find the critical value t/. (c) state that neither the normal nor the t distribution applies. Confidence level 99%; n = 16; o = 20.2; population appears to be normally distributed. Click here to view a table of critical t-values. Click here to view page 1 of the standard normal table Click here to view page 2 of the standard normal table - X t-table Find...
3. Using the t-distribution table posted on Moodle, find the df & critical t-values given N & the confidence level: N 30, 90% confidence level b. N 17, 90% confidence level c. N 23, 95% confidence level d. N 42, 99% confidence level e. N o 1,95% confidence level a. t-distribution Table TABLE D Thet distribution* Confidence interval percents (two-tailed) 80% 90% 95% 98% 99% 99.9% a level for two-tailed test 20 .10 .05 02 01 .001 a level for...
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