You are conducting a multinomial Goodness of Fit hypothesis test for the claim that the 4 categories occurwith the following frequencies:ABCDComplete the table. Report all answers accurate to three decimal places.CategoryObserved ExpectedFrequency Frequency23=222022Ho: PA= 0.15;PBWhat is the chi-square test-statistic for this data?What is the P-Value?P-Value == 0.3; Pc'= 0.4;For significance level alpha 0.1,What would be the conclusion of this hypothesis test?O Fail to reject the Null HypothesisReject the Null HypothesisPD= 0.15

The provided information is as follows:The total number of categories is .The null hypothesis is…

Answered: You are conducting a multinomial…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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You want to see if it makes a difference which lane to be in when there is traffic. You randomly observe 296 cars as they pass by on the four lane freeway. The results are displayed in the table below. Use a level of significance of a = 0.10. a. Complete the rest of the table by filling in the expected frequencies: Frequency of Cars in Each Lane Outcome Frequency Expected Frequency Lane 1 73 Lane 2 63 Lane 3 Lane 4 85 75 b. What is the correct statistical test to use? Select an answer c. What are the null and alternative hypotheses? Ho: O The traffic and lanes are dependent. O The traffic and lanes are independent. O The distribution of traffic is not uniform. OThe distribution of traffic is uniform. H₁: O The traffic and lanes are dependent. O The distribution of traffic is not uniform. O The distribution of traffic is uniform. O The traffic and lanes are independent. d. The degrees of freedom = e. The test-statistic for this data = (Please show your answer to three decimal places.)
Stress at work: In a poll about work, 51% of respondents said that their jobs were sometimes or always stressful. Eleven workers are chosen at random.What is the mean number who find their jobs stressful in a sample of 11 workers? Round the answer to two decimal places.
Answer the chi-square questions using the data below. Use an ? of 0.10? B A 1 2 3 4 1 20 29 11 19 2 9 18 24 21 a) What is the appropriate test statistic? ---Select--- na z-test One-Sample t-test Independent-Samples t-test Related-Samples t-test One-Way ANOVA Within-Subjects ANOVA Two-Way ANOVA Correlation Slope Chi-Square GoF Chi-Square IndependenceCompute the statistic selected in a): b) Obtain/compute the appropriate values to make a decision about H0.Critical Value = ; Test Statistic = Decision: ---Select--- Reject H0 Fail to reject H0c) Compute the corresponding effect size(s) and indicate magnitude(s).If not appropriate, input and/or select "na" below.Effect Size = ; Magnitude: ---Select--- na trivial effect small effect medium effect large effect
You want to see if it makes a difference which lane to be in when there is traffic. You randomly observe 372 cars as they pass by on the four lane freeway. The results are displayed in the table below. Use a level of significance of a = 0.10. a. Complete the rest of the table by filling in the expected frequencies: Frequency of Cars in Each Lane Outcome Frequency Expected Frequency Lane 1 89 Lane 2 90 Lane 3 92 Lane 4 101
I need help making a relative frequency histogram from this data.
The mean # of hours worked
Kindergarten students were participants in a study investigating fine motor skills of 37 children. The children had their fine motor skills measured before the study (a combination of hand use, eye-hand coordination, and manual dexterity) and again after undergoing 7 months of occupational therapy. With the instrument used, high scores indicated stronger fine motor skills. Summary statistics are given below: Difference n Sample Diff Std. Err. Min Max d = Pre - Post 37 -7.8109 2.0715 -36 9 Determine what positive and negative differences mean regarding a student's fine motor skills. Pay attention to the order of subtraction in the output. A positive difference means the Select an answer post-test pre-test score was greater than the Select an answer post-test pre-test , implying fine motor skills were Select an answer weakened strengthened over the 7 months. A negative difference means the Select an answer post-test pre-test score was greater than the Select an answer…
The x? test statistic for a goodness of fit follows where f, is the observed frequency for category i, e, is the expected frequency for category i, and k is the number of categories. The appropriate x? has k - 1 degrees of freedom. x² = (f, - e)? %3D i = 1 The observed and expected frequencies are summarized in the table below. Expected Frequency Squared Difference Squared Difference Divided by Expected Observed Difference Category Frequency fj - ej (f - e,)? Frequency e 3,600 A (-60)? : 20 80 20 - 80 = -60 = 3,600 80 B 80 80 100 40 3,600 90 The sum of the final column will be the x test statistic. Thus, the test statistic is x? = There are k = 3 categories, so the degrees of freedom is k - 1 Enter an exact number.
7: Identify the overall shape of each histogram below: × 15 Correst matchi Would V. (H1) Skewed to the (H3) Skewed to the middle (b) If the highest bar on each histogram corresponds to a value of 15 of the matching variable, as denoted above, then for which of these three histograms does the matching variable have the lowest mean? Briefly say why. if the hig 1/2 (H2) Skowed to the right -nean L [] Compare
5A professor at a local. universily ok her students were hormally distnibuted with a mean of noted that the grade 78 and a Standard deviahon of 1o. a The profesor has informed us Hhat 16.6 percent of her Students recieved arades of A. What is the minium Score Ineeded to receive a grade of A? 1 12.1percent of her students failed the course and reci F3, What was the maximum s core those who recieve- among Cf 33 percent of the students recieve d grades B or bet A's and B's), What is the minimum Score of Those who a ber higher !
Need help with question b (the answer is not -0.64 ; 0.82)
Complete the table. Observed Expected Frequency Frequency Residual Squared Category A 25 21 36 20 What is the chi-square test-statistic for this data? B

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