Question 4:From the data below,x1 2 6 9 13 20y1 7 18 9 26 23 a) What is the value of standard error of the estimates?b) Test for a significant relationship by using the t test. Use α = .05c) Use the F test to test for a significant relationship. Use α = .05. What is your conclusion?

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A:

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Q: What is the value of r? a) 0.8620 b) -0.8620 c) 0.9236 d) -0.927 e) 0.927 f)…

A: Answer: For the given data,

Q: b. Math Score(x) 4 7 10 13 16 Frequency(f) <cf D9 =. P34 =. 4. 2. 6. 3.

A: We want to find D9 and P34

Q: Calculate Coefficient of Concurrent Deviation from the following data: X: 1 2 3 5 6. y: 25 16 5 1

A: Solution:

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A: For the set of 5 paired observations (i.e., n=5), it is given that:∑X=15∑Y=5∑XY=10

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Q: A set of n = 5 pairs of X and Y scores has X = 15, Y = 5, and XY = 10. For these data, what is the…

A: n=5, X=15Y=5XY=10We have to find value of SP

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Q: Ex. X = 400 Y = 700 Exr = 15, 000 Σε X2 = 16, 229 y2 = 50, 000

A:

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A: We are interested in estimating the population mean when the auxillary information X is available.

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A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: symbols

A: Name Symbol Sample linear correlation coefficient r Population variance σ2 Probability of Type…

Q: Find the P value

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A: Solution We calculate it by using excel

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A: Given the values provided, we have: sd2x = 10.23, sd2y = 13.34 and R2 = 0.14.

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

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A: Solution-: Which one of the following best describes the strength of the relationship between two…

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A: Correlation is a useful association statistic.

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Q: Which plot indicates a correlation of 0.7? Y & R 8 50 T 10

A: Here, first figure shows negative correlation because trend line goes negative axis.

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A: We want to find the correlation