Identifying Appropriate Test Statistico is knownz-testWhen the value of sample size (n)...n < 30o is not knowno is knownz-testz-testn230o is not knownt-test

Given a flow chart. We have to identify the appropriate test statistic.

Answered: Identifying Appropriate Test Statistic…

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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Category/ Event AO Present AO Absent Totals a x2 test on the class data to determine whether Observed (0) Expected (E) 75 69 144 108 36 144 Deviation (O - E) 33 33 ماما (O - E)² 1089 1089 2178 (O - E)²/E 10.083 .30.25 x² =
When you increase your sample size when conducting a statistical test, choose one: you increase the likelihood of committing a Type 1 Error you increase the probability of rejecting the null hypothesis you decrease the probability of rejecting the null hypothesis you decrease your alpha level
Midterm 2 Define → Sample proportion Random Variable Statistic Margin 3. given that of error PCA) = 0.4 A Car find ock a compute Randomly selected. What is than P(A/B) Hint: PCEUF) = P(E) + PCF) - P(E/F) = PCENF) P(F) and B. p(B) = 0.3 Such that Car Starts the probability that it three normal mean = 3 SO 5-0.5 x is a and PCANB) مل 1. Suppose we devise a binomial chance experiment that sue want own Six times. probability of Sucess in the find that ше will Successes attempts to Start the distribution random P(ENE) = 0.5 93% of the time take less Selected P (oc < oc+) experiment is 1 get exactly three Variable from = 0-7258 Construct 95% Confidence. point estimate (Sample proportion) P= 0.4 n = 40 Be sure to check for normality of for the population is giver Samplin distribution
destion Heip The table below summarizes results for randomly selected drivers stopped by police in a recent year. Using technology, the data in the table results in the statistics that follow. Black and Non-Hispanic White and Non-Hispanic Stopped by police Not stopped by police chi-square statistic = 1.737, degrees of freedom = 1, P-value = 0.188 Use a 0.05 significance level to test the claim that being stopped is independent of race. Based on available evidence, can we conclude that racial profiling is being used? 16 107 111 1080 Can we conclude that racial profiling is being used? O A. No, because the P-value is less than the significance level. O B. No, because the P-value is greater than the significance level. C. Yes, because the P-value is less than the significance level. O D. Yes, because the P-value is greater than the significance level.
Which of the following are the assumptions for a one- sample t test? Normal Sampling Distribution: n,p, 2 5, n,(1 - p,) 2 5 n.p, 2 5 & n,(1 - P,) 2 5 Normal Sampling Distribution: np 2 5 & n(1 - p) 2 5 Fixed number of trials Independent trials Independent samples Random sample The proportion is constant Two outcomes Expected values > 5 Known population standard deviation Equal population variances |Normal Sampling Distribution: n 2 30 or Population is normally distributed Unknown population standard deviation
5th
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How is a confidence level determined? O It is selected O It is calculated depending on which test you're using O It is observed O It is predetermined based on the test you're using
find frequent itemset using Apriori (support threshold = 60%), and make lattice of rules.(confidence threshold = 60%)
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When running a test, if p-value exceeds the significance level α then Group of answer choices we reject the null hypothesis All of these. we fail to reject the null hypothesis. we can't make any decision about the null hypothesis
Current Attempt in Progress Two intervals are given, A and B, for the same value of the explanatory variable. A: 92 to 118; B: 84 to 126 ; (a) Which interval is the confidence interval for the mean response? Which interval is the prediction interval for the response? (b) What is the predicted value of the response variable for this value of the explanatory variable? Enter the exact answer. The predicted value is i eTextbook and Media e here to search hp

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Identifying Appropriate Test Statistic o is known z-test When the value of sample size (n)... n< 30 o is not known o is known z-test z-test n≥30 o is not known t-test