Finding p value with z

    • [DOC File]JustAnswer

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      Find P-value using 0.05 significance level and state whether to reject null hypothesis or if failed to reject null hypothesis. H0: p = 0.75. H1: p > 0.75. n= 1012. x= 870. Critical value of z = 1.645. Decision rule reject the null hypothesis if z > 1.645. The p-value is P(z > 8.058) =0.0000. The p-value is less than 0.05 and so we reject the ...

    • [DOC File]Interpretation of P-values: Challenges for the Replication ...

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      It is corresponding the p-value in z statistic. Then a 95% confidence interval for the z statistic is written out here and from that you can get a 95% confidence interval for the true p-value. And let's look at the picture here. So on the X axis you have the observed p-value in your study on the log scale.

    • [DOCX File]JustAnswer

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      2. Find the value of the test statistic z using z = p^-p/√pq/nThe claim is that the proportion of accidental deaths of the elderly attributable to residential falls is more than 0.10, and the sample statistics include n = 800 deaths of the elderly with 15% of them attributable to residential falls. (Points : 4) 3.96 -3.96

    • [DOC File]Notes on how to use the TI-83 - Part 1. Statistics I - S97 ...

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      If you choose ‘Calculate,’ when you press ENTER you will get the ‘1-Proportion Z Test’ output window. It will contain the form of the alternative hypothesis, the value of , the test statistic , the p-value, and n. If you choose ‘Draw’ then you will just get the test statistic , the p-value, and a normal curve with the p-value shaded.

    • Hypothesis testing homework solutions

      To find the p-value we look up z=1.13 in the normal table. Now the chances to see our evidence or an even more compelling evidence with z>1.13 equals to the area to the right of 1.13. That is close to 13%.

    • [DOC File]CHAPTER 9

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      e. p = 0.2302, found by 2(0.5000 – 0.3849). There is a 23.02% chance of finding a z value this large by “sampling error” when Ho is true. (LO 5, LO 6, LO 7) 2. a. One-tailed, because the alternate hypothesis indicates a greater than direction. b. Reject Ho when z > 2.326. c. 4, found by . d. Reject Ho and conclude that ( >10. e. The p ...

    • [DOC File]Z-Score Practice Worksheet

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      Find the z-scores corresponding to each of the following values: A score of 60, where the mean score of the sample data values is 40. Z=2. A score that is 30 points below the mean. z=-3. A score of 80, where the mean score of the sample data values is 30. Z=5. A score of 20, where the mean score of the sample data values is 50. Z=-3

    • [DOC File]Graphical Method of Solution of a Linear Programming Problem

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      Step 5: If (x1, y1) is the point found in step 4, then x = x1, y = y1, is the optimal solution of the LPP and Z = ax1 + by1 is the optimal value. The above method of solving an LPP is more clear with the following example. Example: Solve the following LPP graphically using ISO- profit method. maximize Z =100 + 100y.

    • [DOC File]The reasoning of tests of significance

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      This probability is called the P-value. It is the probability of a result at least as far out as the result we actually got. The smaller the probability, the more surprising our result, and the stronger the evidence . against the null hypothesis. For one cola, our 10 tasters gave =0.3; P-value=0.17 this is the probability to the right. of 0.3.

    • [DOCX File]Dataset

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      Please show your work for the calculation of the test statistic and explain your process for finding the p-value and critical value. You may use the Equation Editor to format your calculation steps on the Word document or attach an Excel spreadsheet clearly showing each calculation, but your answers still need to appear on the Word document.

    • [DOC File]Stat 2411 – Spring 2003

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      (C) Give the p-value for testing H0: - = 0 using the z test in section 12.5 for the following situations. After finding the p-value in each case, tell whether to reject or not reject H0 at the 0.05 level.

    • [DOC File]AP Statistics

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      B; the 2-proportion z-confidence interval is , the midpoint of the interval is -.16 and . Is there evidence of a difference in the on-time rate for the two airlines? To determine this, you test the hypotheses , . The p-value of your test of the hypotheses given is. greater than .10. between .10 and .05. between .05 and .01. between .01 and.001 ...

    • [DOC File]Weebly

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      The probability associated with the z-score tells us: A small p-value tells us: A large p-value tells us: Types of Tests. Draw and shade the curve. Then calculate the p-value: 1) Right-tail test z = 1.96 . 2) Left-tail test z = -2.4. 3) Two-tail test z = 2.3; n = 2 *Anytime we have a two-tailed test, we find the probability of one-tail and ...

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