Q23. A social psychologist records the number of outbursts in a sample of different classrooms at a local school. Answer the questions based on the statement below. (Note: These are not the results from Q19) The number of outbursts among students at this local school (M = 3) was significantly less than that in the general population, t(39) = 4.19, p < .05, d = .25. 23a. What was the sample size? n =  23b. What was the decision? A. Retain H0 B. Reject H0 Decision =  23c. What was the effect size? A. 39 B. 4.19 C. .05 D. .25 Effect size =

Q: Strack, Martin, and Stepper (1988) reported that people rate cartoons as funnier when holding a pen…

A: The given sample size is 25, mean difference is 1.6 and SS is 150.

Q: d. The p-value = e. The p-value is ? a f. Based on this, we should Select an answer the null…

A: We have given that n1 = 543 , x1 = 339n2 = 543 , x2 = 383Significance level (α) = 0.01 Now,p̂1 =…

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A: Given that 30 participants  For liberal 1  For conservative 2  For not interested in poltics at all…

Q: Please make it so that I could copy and paste it! thank you Strack, Martin, and Stepper (1988)…

A: Given, sample size (n) = 25 SS = 150   standard deviation (Sd)  = √SS/n  = √150/25…

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A: The hypotheses are given below: Null hypothesis: H0:µd=0 Alternative hypothesis: H1:µd≠0…

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A: Solution: x y (x-x) (x-x)2 (y-y) (x-x)(y-y) 10 49 0 0 5 0 6 41 -4 16 -3 12 16 49 6 36 5 30…

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A: Anova is the measure of a parametric test. It is used to compare the average significance of three…

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A:

Q: For a population with u= 40 and a =8, what is the z-score corresponding to X-34?

A: Z-score is -0.75

Q: Is the proportion of wildfires caused by humans in the south different from the proportion of…

A: GivenFor wildfires looked at in the southn1=567x1=452p1^=x1n2=452567≅0.7972For wildfires looked at…

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A:

Q: sed on data from the U.S. Bureau of Economic Analysis). Tom ns to open a Cadillac car dealership and…

A: The claim is that the sample was drawn from a population with mean 13901. The null hypothesis is,…

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A: What is the P-value for the following scenario:   A pet association claims that the mean annual…

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A:

Q: he dietician is working with a random sample of 50 patients who are dieting. He puts them on a…

A: The dietician is working with a random sample of 50 patients who are dieting.

Q: A researcher would like to evaluate the effectiveness of a pain-relief patch designed for lower back…

A: Introduction: Denote μ1, μ2 as the true mean lower back pain levels before and after wearing the…

Q: A researcher would like to evaluate the effectiveness of a pain-relief patch designed for lower back…

A: answer is explained below-

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A: According to the given information in this question We need to find the value of the test statistic

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A: For random variables X and Y the value of SP is, SP = Σ (x – x̅)(y – ȳ), where x̅ is the mean of X…

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A: Let us take the null hypothesis that the height of a police officer is 5 feet 11 inches H0:μ = 5'11…

Q: For a sample of 9 with a mean of 5994. How would i find the EX?

A:

Q: For the SPSS output below, imagine that this is an experiment looking at differences between men…

A: Given information: The SPSS output for a two-sample t test is given.

Q: Set up the hypotheses for the one-mean t-test. Ho: 비 Ha: H V A

A:

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A: Given Data: n=50   There is only one sample

Q: 5.5 2.1 Suppose a study reported that the average person watched 5.71 hours of television per day. A…

A:

Q: IOF 20 Fandomly selected sets of siblings. The 20 pairs of measurements yield x = 98.55, y= 96.1,…

A: Given y = 1.09 +0.96x, where x represents the IQ score of the younger child. x= 102 Use a…

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A: The provided information is as follows:The total number of observations is .

Q: The following data were obtained from a repeated-measures research study. What is the value of SS…

A: Solution: From the given information,

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A: Let X: the amount of bromine and Y: the average number of flowers per carnationTotal observations,

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A: Given : Population mean : μ=4 Sample size : n=60

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A: Given data number of success , x= 17 sample size, n =80 population proportion,p= 0.13

Q: 1) The Sports Encyclopedia indicated that the mean weight for football players in the Westerr…

A: Introduction: Denote μ as the true mean weight of football players of the Western division during…

Q: Is the proportion of wildfires caused by humans in the south lower than the proportion of wildfires…

A: It is needed to find the p-value for the test to determine whether the proportion of wildfires…

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A: We know that, Subject : A physical entity that is the primary unit of interest in a specific…

Q: Is the proportion of wildfires caused by humans in the south lower than the proportion of wildfires…

A: c.   Denote p1, p2 as the true population proportions of wildfires caused by human in south and…

Q: a. Which chi-square test should be used on the following study? A psychotherapist wanted to see…

A: We have to identify the correct test for both cases

Q: After conducting a re-test for independent samples, you arrived at the following:t(47) = 3.41,…

A: Given information:From the given information the following information can be observed:The test…

Q: A special education teacher did research on whether or not there is a relationship between the…

A: The correlation coefficient and slope are –0.863 and –1.212294, respectively.

Q: The following data are heights (in.) of fathers and their first sons from the data "Family Heights",…

A: The summary of the statistics is, The type of test is two tailed test