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[DOC File]Untitled Page [mymission.lamission.edu]
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Look up in table E for the area corresponding to the z = - 1.70. The corresponding area is 0.0446. Since this is a two tail test, P-value is 2(0. 0446) = 0.0892.
right tail z table

[DOC File]STP 226 .edu
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t /2 (two-tailed) - t (left-tailed) z (right-tailed) with df = n1 + n2 – 2 , use Table IV to find the critical value(s). 4. Compute the value of the test statistic where 5. If the value of the test statistic falls in the rejection region, reject H0; otherwise, do not reject H0. 6. State the conclusion in words.
two tail z table

[DOCX File]JustAnswer
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Jul 25, 2010 · Using the z table (table E) find the critical value (or values) for each =0.05, two-tailed test -1.96 and 1.96 =0.01 left-tailed test Between -2.33 and -2.32 =0.005 right-tailed test Between 2.57 and 2.58 =0.01 right tailed test Between 2.32 and 2.33 =0.05 left-tailed test Between -1.65 and -1.64 ...
z table to the right

[DOC File]St. John Fisher College
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Find the P-value for a left-tailed test with a test statistic of z = -2.23. Decide whether to reject H0 if the level of significance is α = 0.01. From the normal table z = -2.23 is P= 0.0129 which is the area in the left tail. Since 0.0129 > 0.01, you should fail to reject H0. Find the P-value for a two-tailed test with test statistic of z = 2.14.
right side z table

[DOC File]STP 226 .edu
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- z (left-tailed) z (right-tailed) 5. If the value of the test statistic falls in the rejection region, reject H0; otherwise, do not reject H0. 6. Interpret the results of the hypothesis test. NOTE: The hypothesis test is exact for normal populations and is approximately correct for large samples from non-normal populations. When to use the z ...
right tail z score table

[DOC File]z
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Oct 04, 2010 · This is the left tailed test critical value, with 0.02 prob. answer is:-2.054 2. The lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation of 15 days. A. Find the probability of a pregnancy lasting 307 days or longer. ... Z = 2.66667. Prob(z > 2.66667) from a z table: 0.0038 B: The z value for the ...
right tail normal distribution table

[DOC File]Chapter Fourteen - Miami Dade College
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For a left–tailed test with n = 6 and α = .05, the rejection region is X = 0. There are five minus signs and one plus sign in the seventh column of the table above. Since the test is left–tailed, we use the lower number. Thus, the observed value of X = 1. Do not reject H0. c. In part a, using the Wilcoxon signed–rank test, we rejected H0.
negative z table

[DOC File]Finding the critical value of alpha for two-tailed test
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(because we are looking for a two-tailed test) 0.95 / 2 = 0.475 Step 3: Look at your z-table (given below) and locate the alpha level in the middle section/cells of the z-table. Step 4: In this example, you should have found the number .4750. Look to the far left or the row, you’ll see the number 1.9 and look to the top of the column, you ...
one tail z table

[DOC File]8 - Faculty Websites
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Find the 0.05 column in the top row and 16 in the left-hand column. Where the row and column meet, the appropriate critical value is found; it is +1.746. Let’s Do It! Find the critical t value for 0.01 with d.f. = 22 for a left-tailed test. Find the critical values for 0.10 with d.f. =18 for a two-tailed …
right tail z table

Left tailed z table