You are conducting a multinomial Goodness of Fit hypothesis test for the claim that all 5 categoriesare equally likely to be selected. Complete the table. Report all answers correct to three decimalplaces.Observed Expected PearsonCategory Frequency Frequency ResidualABсDE22252075What is the chi-square test-statistic for this data?x² =For significance level alpha 0.05, what is the chi-square Critical Value?Critical Value=IWhat would be the conclusion this hypothesis test?O Fail to reject the Null HypothesisO Reject the Null Hypothesis

The dataset is given as- Category Observed frequency(Oi) A 22 B 25 C 20 D 7 E 5

Answered: places. Observed Expected Pearson…

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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An education researcher claims that at most 3% of working college students are employed as teachers or teaching assistants. In a random sample of 300 working college students, 5% are employed as teachers or teaching assistants. At a = 0.05, is there enough evidence to reject the researcher's claim? (c) find the standardized test statistic z.
1:37 You wish to test the following claim (Ha) at a significance level of a = 0.01. Ho:p = 0.7 Ha:p + 0.7 You obtain a sample of size n = 356 in which there are 261 successful observations. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to three decimal places.) p-value = The p-value is... O less than (or equal to) a greater than a This test statistic leads to a decision to... O reject the null O accept the null fail to reject the null As such, the final conclusion is that... O There is sufficient evidence to warrant rejection of the claim that the population proportion is not equal to 0.7. O There is not sufficient evidence to warrant rejection of the claim that the population proportion is not equal to 0.7. O The sample data support the claim that the population proportion is not equal to 0.7. O There is not sufficient sample evidence to support the claim that…
The proper estimate of variance explained in multiple regression is Question 13 options: R2 >50% significant predictors Adjusted R2 All of these
You are conducting a multinomial hypothesis test (a = 0.05) for the claim that all 5 categories are equally likely to be selected. Complete the table. Expected Frequency Frequency Squared Pearson Observed Category Residual A 25 B 21 24 E 17 Report all answers accurate to three decimal places. But retain unrounded numbers for future calculations. What is the chi-square test-statistic for this data? (Report answer accurate to three decimal places, and remember to use the unrounded Pearson residuals in your calculations.) x = What are the degrees of freedom for this test? d.f.- What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value - It may be best to use the -CHIDIST() function in Excel to do this calculation. The p-value is... O less than (or equal to) a O greater than a This test statistic leads to a decision to... Esc F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 11 F12 %23 & * 2 4 6 7 Backspace 9 W R Y U
What is the cut off score on a Chi-Square distribution in a Goodness of Fit Chi Square Test when the variable has 6 categories and a sample size of 20? Assume a significance level=.05. a. 5 b. 12.59 c. 6 d. 11.0
If you collect data from a random sample of 10 students and we would like test for statistical significance at the 0.05 level, what critical r value must be obtained? O .602 O.632 0.708 O .576
You are conducting a test of independence for the claim that there is a relationship between favorite ice cream flavor and gender. Use a significance level of .01. Vanilla Chocolate Strawberry Male | 32 67 37 Female 24 40 25 The expected observations for this table would be (Round to 3 decimal places.) Vanilla Chocolate Strawberry Male Female At the .01 significance level, what is the critical chi-square for this data? (Round to 3 decimal places.) с What is the chi-square test-statistic for this data? (Round to 3 decimal places.) What can you conclude about Gender and Favorite Ice Cream Flavor? Gender and Ice Cream Flavor are Dependent O Gender and Ice Cream Flavor are Independent
17. Question content area top Part 1 Use a t-test to test the claim about the population mean μ at the given level of significance α using the given sample statistics. Assume the population is normally distributed. Claim: μ=52,400; α=0.10 Sample statistics: x=53,647, s=3000, n=20 LOADING... Click the icon to view the t-distribution table. Question content area bottom Part 1 What are the null and alternative hypotheses? Choose the correct answer below. A. H0: μ≠52,400 Ha: μ=52,400 B. H0: μ≥52,400 Ha: μ<52,400 C. H0: μ=52,400 Ha: μ≠52,400 D. H0: μ≤52,400 Ha: μ>52,400 Part 2 What is the value of the standardized test statistic? The standardized test statistic is enter your response here . (Round to two decimal places as needed.) Part 3 What is(are) the critical value(s)? The critical value(s) is(are) enter your response here . (Round to three decimal places as needed. Use…
Refer to the below table. Using an alpha = 0.05, test the claim that IQ scores are the same for children in three different blood lead level groups: low lead level, medium lead level, and high lead level). One-Way Analysis of Variance Summary Table for IQ Measurements for Children among Three Blood Lead Level Groups: Low Lead Level, Medium Lead Level, and High Lead Level. Source df SS MS F p Between-group (treatment) 2 469.1827 2677.864 2.30 0.104 Within-group (error) 118 203.6918 11745.05 Total 120
A survey by the National Institutes of Health asked a random sample of young adults (aged 19 to 25 years), "Where do you live now? That is, where do you stay most often?" Given is Minitab output from a chi-square test. (omitting a few who refused to answer and one who reported being homeless). Chi-Squared Test: Female, Male Expected counts are printed below observed Which cell contributes most to the chi-square test counts Chi-Square contributions are printed below statistic? In what way does this cell differ from what we expected counts would expect if there is no association between gender and "where do you live now?" O The largest component comes from females who currently live in their parents' homes. This cell had the largest expected count. O The largest component comes from males who currently live in their parents' homes. There were more males living in their parents' homes than would have been expected. O The smallest component comes from males who currently live in "group"…

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