Consider the following ANOVA result [F(4, 92) = 13.52, p = 0.02]. What is the value of df-within?   A. 13.52 B. 0.02 C. 4 D. 92

Q: Suppose the relationship between Y and X is given by: Y = 3.1415 + 6X + error  By how much does the…

A: The objective of the question is to find out the change in the expected value of Y when X increases…

Q: Varric has conducted a within subjects ANOVA to determine if his band of pirates have significantly…

A: Anova is the measure of mean significance between the three or more groups. It explain the variation…

Q: Using the results r(128) = –.64, p > .05, what is the most appropriate conclusion? A. r is not…

A: It is given that:The value of correlation coefficient between X and Y for 128 observations: The…

Q: Pearson’s r(50) = .75, p = .03 can be interpreted as:

A: Solution-: Given: Pearson's r=0.75 and p=0.03 We want to interpreted it.

Q: New-Home Prices If the average price of a new one family home is $246,300 with a standard deviation…

A:

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A: Excel: Data --> Data analysis -->t-Test: Paired Two Sample for Means

Q: feels that the commute in his city is less and wants to publicize this. He randomly selects 25…

A: The hypotheses are given as follows: Null hypothesis: µ=25.4. Alternative hypothesis: µ<25.4.…

Q: What is the P (−2.2<t<2.2) with a sample size of 4.

A: Solution: From the given information, the sample size is 4.

Q: Can you find the standard deviation for sx and sy?

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Q: Horsepower Cars currently sold in the United States have an average of 135 horsepower, with a…

A: Introduction: Consider X as a normally distributed random variable, with mean μ and standard…

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Q: Suppose you are testing Ho : μ = 104 against Ha μ< 104. From an SRS of 70 individuals, you compute =…

A: It is interpreted that, the study involves 70individuals (i.e., n sample size=70). And the sample…

Q: Next question When a man observed a sobriety checkpoint conducted by a police department, he saw 692…

A: Given: n = 692 X = 9 P(W) = 0.01301 Formula Used: P(W) = 1-P(W)

Q: suppose that p(E) = .15, p(F) = .45, and p(F/E) = .70.  question: What is p(E/F)?

A: Solution: From the given information, Then,

Q: The test statistic of z = 0.96 is obtained when testing the claim that p &gt; 0.4. b. Find the…

A: b. The test statistic of z = 0.96 is obtained when testing the claim that p &gt; 0.4. That is, the…

Q: J 1 When interpreting F (9, 29) = 4.78, p > 0.05, how many subjects were tested in this simple…

A: Followings are the Explanation of the question

Q: What percentage of scores is between a z of ‐2 and a z of +2? Why is this important?

A: Use Empirical rule to solve it

Q: A poll of 1182 Americans showed that 47% of the respondents prefer to watch the news rather than…

A: From the provided information, Sample size (n) = 1182 Sample proportion (p̂) = 0.47 Level of…

Q: Y: Y₁: Y2: Y3: X Y 1 1 1 5 6 6 5 5 2 6 7 7 1 1 222 2 2 3 3 3 3 3 Sums A MSB: MSW: F: 99 6 6 7 8 8…

A: The one-way ANOVA is used to determine the mean significance between the difference groups. It…

Q: Give the value of the test statistic t for this situation:

A: here given , null and alternate  H0   : μd = 0H0   : μd ≠ 0

Q: Mean               s                   n Men          117.5              9.7                 6 Women…

A: Given Men mean systolic blood pressure = 117.5Women mean systolic blood pressure = 126.8Standard…

Q: Find the P-value for this test.

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Q: for f(4,25) = 4.35, p >.01, was the result statistically signifigant

A: Solution

Q: 7.86 Revisiting dietary composition. In Exercise 7.71 (page 457), the total amount of fats was…

A: 7.86 Null Hypothesis: H0:μ1=μ2 Alternative Hypothesis: H1:μ1≠μ2 Consider, the pooled variance is,…

Q: Model 1 Coefficients Unstandardized Coefficients B Std. Error -386.390 .476 -158.827 .185 (Constant)…

A: Given is a regression analysis to study association b/w spending and income. Given α=0.05.

Q: given H a: u>85 and P=0.007. do you reject or fail to reject H0 at the 0.01 level of significance

A: Decision rule : Reject Ho if p-value is less than given level of significance.

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Q: was the result statistically signifigant

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Q: Suppose that a poll of 343 voters finds that 27% of those surveyed support Measure A. What is g'?…

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Q: True or False? For a two-tailed test using z values at the 5% significance level we reject H0 if z ≤…

A: Here we have given the true or false statement about the critical region. The given statement is,…

Q: using the results r(128) = .64, p < .05, what is the most appropriate conclusion? a. r is not…

A: From the provided information, Level of significance (α) = 0.05 The sample size (N) = 128…

Q: Which of the following formulas is correct for converting raw scores to z scores? Z = X+M/SD Z =…

A: Standard score is used to determine the number of observations deviated from the mean. It is…

Q: (b) Would you recommend a test procedure that uses a = 0.10 or one that uses a = 0.01? Explain. Use…

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Q: If X = 85, Y = 54, and Y' = 62, what is the residual score? a. -8 b. 23 c. 8 d. 31

A: Solution: From the given information, Y=54 and Y’=62.

Q: Find the Z score for which 80% of the distributions area lies between -z and z

A: Solution: From the given information, the area lies between –z and z is 0.80.

Q: If the coefficient of determination between two independent variables is 0.47​, what is the​ VIF?…

A: Given, Independent variablesR2 is 0.47

Q: the F value associated with the between-subjects factor is 0.067. (Sig. - 0.797) Was the…

A: Solution: The  F value associated with the between-subjects factor is 0.067 F= 0.067 The p value or…

Q: Suppose the mean and standard deviation of the GPAs at school are  Xbar = 1.487; and s = 1.332…

A: Given: Let X be the random variable denoting the GPA of every student. and GPAs are normally…

Q: Cohen's d score of 1.2 is considered to be:   Small Negligible Medium Large

A: Cohen's d score=1.2

Q: Q5. Borer et al. [1980], study 45 individuals after an acute myocardial infarction (heart attack).…

A: Here, we use hypothesis testing: Null hypothesis (H0) : p1 =p2 Alternate Hypothesis (Ha) : P1 &gt;P2…

Q: What is the value of E(X – 1)? for the following scores? Scores: 2,4,3,4

A: We have given that,  We will find the value of Σ(X−1)^2 for the following scores?​ Scores: 2,4,3,4

Q: A researcher wants to know whether athletic women are more flexible than non - athletic women. For…

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Q: A one-way between subjects ANOVA produces SSbetween = 30, SSwithin = 60, and an F-ratio with df = 2,…

A: The F-ratio formula is, F-ratio=MSbetweenMSwithin Where MSbetween=SSbetweendfbetween,…