34. Which of the following is the most appropriate test to determine if there exists an associationbetween household size (coded as 1 if 1-3, 2 if 4-6, 3 if 7-10, and 4 if >10) and adoption ofrainwater harvesting (coded as 1 - Yes, and 0 - No)?A. Chi-Square test of independenceB. Chi-Square Goodness of fit testC. Fisher's exact testD. t-test on CorrelationPage 11 / 16+

Statistical test are used to compare the population and sample. Some of the techniques are…

Answered: 34. Which of the following is the most…

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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2. Below are the results of a Chi-Square test using the variables "believing astrology is scientific" (the independent variable) and having "ever read a horoscope or persona astrology report" (the dependent variable). Answer the following questions based on the information in these results. Ever read a horoscope or Personal astrology report " Astrology is scientific Crosstabulation % within Astrology is scientific Astrology is scientifc Not at all scientific Sort of Very scientific scientific Total Ever read a horoscope or Yes Personal astrology report 63.6% 58.7% 33.4% 44.0% No 36.4% 41.3% 66.6% 56.0% Total 100.0% 100.0% 100.0% 100.0% Chi-Square Tests Asymptotic Significance (2-sided) Value df Pearson Chi-Square 76.636* 2 .000 Likelihood Ratio 77.050 .000 Linear-by-Linear Association 69.776 .000 N of Valid Cases 1139 A. What is the null hypothesis concerning these variables? B. Based on the p-value (significance) from these results, can you reject the null hypothesis? C. What do these…
Here are the choices:Chi-SquareCorrelationRegression
a) Which of the following is the correct test statistic for this test? b) Degrees of freedom for this test? c) P-value for this test?
15. Research results suggest that IQ scores for boys Plomin, 2006). A typical study looking at 10-year-old are more variable than IQ scores for girls (Arden & size would be reported in a journal article. children classifies participants by gender and by low. average, or high IQ. Following are representing the research results. Do the data indicate a significant difference between the frequency distri- butions for males and females? Test at the .05 level of significance and describe the difference. hypothetical data 1 IQ Low Average High Вoys 18 42 20 80 Girls 12 54 14 80 n = 160 Int Ava
4.2.16 What is the difference between random sampling and random assignment and what types of conclusions can be drawn from each?
A researcher finds the following sample values: 2, 8, 6, 2, 7, 3, 4, 4, 5, 6, 7 At the .03 level, is there evidence to indicate the mean differs from the population mean of 2.15? 1. Critical Value (start with negative and separate with a comma if there are 2) 2. Test statistic 3. 3-decimal p-Value 4. Where is the test statistic on the graph Put: L-Left, M-Middle, R-Right
3. A researcher samples 5 colony of Species of K and 5 colonies of Species L, measures their sizes as: Species K Species L 4.7 5.3 5.2 4.6 6.1 4.1 5.8 4.8 5.2 4.2 а. Test if mean colony size of Species K and Species L are different from each other? Report a p-value. (You mav need to do an additional test to decide which test to apply for comparing the means) b. What is the power of the test in part a? С. The researcher would like to design a new experiment which will allow a two tailed hypothesis test with significance 0.05 and power 0.90. What should be the sample sizes nk and ni for Species K and Species L (use k = 1). %3D
An HR specialist wants to know, if the employees at the company he works for, work on average more than a full time week of 40 hours. He analyzes his data using SPSS. ( look at graphs) Was the test significant? Write the interpretation paragraph. (1) What was done 2) What test was done and what were the results (include APA) 3) What do the results mean? )
I'm struggling with getting this correct and need help note: for part E, the select options are either z or t distribution (must pick one)
Suppose an education administrator wants to know whether the test scores of a new standardized graduation exam are different for males and females. To test this hypothesis, the administrator decides to perform a ?‑test for two independent means. She takes a random sample of test scores from both male and female populations. Some of the summary data are shown in the table. Population PopulationDescription Samplesize Samplemean (pts) Sample standard deviation (pts) 1 Female ?1=21 ?⎯⎯⎯1=34.3 ?1=3.09 2 Male ?2=22 ?⎯⎯⎯2=34.7 ?2=3.82 The administrator assumes that the population variances are equal, so she computes a pooled ?‑test statistic. Determine the number of degrees of freedom, df, for the pooled ?‑statistic.
#7

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