You are conducting a test of the claim that the row variableand the column variable are dependent in the followingcontingency table.XY ZA 49 25 32B 39 31 29Give all answers rounded to 2 places after the decimalpoint, if necessary.(a) Enter the expected frequencies below:XYZA(b) What is the chi-square test-statistic for this data?Test Statistic: x²=(c) What is the p-value for this test of independenceP-Value: =(d) What is the correct conclusion of this hypothesis test atthe 0.025 significance level?

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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I 3 For a test: HO: µ = 60 H1: H > 60 X bar 56, standard deviation (s) = 18 and sample size(n) = 238 Find the test statistic (t) Round to 2 decimal places
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Give as much information as you can about the P-value of a t test in each of the following situations. (Use technology to calculate the P-value. Round your answers to four decimal places.) USE SALT (a) two-tailed test, df = 7, t = 0.79 (b) upper-tailed test, df = 10, t = -0.70 (c) lower-tailed test, n = 20, t = -2.20 (d) lower-tailed test, n = 20, t = -5.30 (e) two-tailed test, n = 40, t = 1.50
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Mean (Average): 76 Population Standard Deviation, σ 19 Total Numbers, N 45 What is the z-score for a grade of 65? What is the probability of randomly choosing a score that is 65 or more?
q-1
(I'm having a hard time solving for the data, can you please help? The first photo is the given values, and the second the equation for the solution.) Identify the following to calculate the test statistic and will input the given to the following formula: The sample mean (x̄) The population mean (μ) The sample standard deviation (s) Number of observations (n)
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ACT scores range from 1 to 36 and are normally distributed where N (21.5, 5.4). SAT scores• range from 600 to 2400 and are normally distributed where N (1498, 316). Jorge scores 2090 on the SAT. If both tests measure the same thing, what score on the ACT is equivalent to Jorge's SAT score?

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Give all answers rounded to 2 places after the decimal point, if necessary. (a) Enter the expected frequencies below: X Y Z A B (b) What is the chi-square test-statistic for this data? Test Statistic: x² = (c) What is the p-value for this test of independence