3. The scatter diagram shows the speaking test scores and the writing test scores for 15 students. Writing test score 20- 15- c) Draw a line of best fit on the scatter diagram. 10- 5- 0- 0 b) What type of correlation is shown on the scatter diagram? X X -X. -X X a) One student's writing test score was much better than their speaking test score. Draw a ring around this point on the scatter diagram. X Speaking test score XX 15 -X. d) One student's scores were not recorded on the scatter diagram. His writing test score was 10. Use your line of best fit to estimate his speaking test score. X X x. 20

Q: Match the linear correlation coefficient to the scatter diagram. r= -0.546 Choose the correct graph…

A: Linear correlation coefficient to the scatter diagram is given. r = -0.546

Q: If the plotted points spread all over the graph, then there exists. negative Jy O positive no O None…

A:

Q: 3) What type of graph could I use to figure out the mean of data? O Dot Plot Histogram O Circle…

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A: Given: n = 29 Formula Used: Correlation coefficient r = n∑XY-∑X∑Yn∑X2-∑X2n∑Y2-∑Y2

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Q: а. Use Excel to make a scatter diagram with a best fit hand drawn line through the points. Tape your…

A: X Y (x-xbar) (x-xbar)^2 (y-ybar) (y-ybar)^2 (x-xbar)*(y-ybar) 4 1.4 -8.6250 74.3906 -4.4375…

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Q: Here are several scatterplots. The calculated correlations are 0.777, -0.021, 0.951, and - 0.923.…

A:

Q: MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the…

A: Introduction: The correlation coefficient, r measures the strength of linear association between two…

Q: latch the linear correlation coefficient to the scatter diagram. r= - 0.787 hoose the correct graph…

A: Given, Correlation coefficient is r=-0.787 Match the scatter diagram.

Q: Select the graph that shows the scatterplot of the data set. A. Y -6 -2 - 8 -2 2 -5 В. 8 4 - 5 - 5…

A: Solution: The given data is

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Q: Skewed

A:

Q: Identify if the following correlation. Describe if it is strong, weak, or no correlation. Then…

A: In this case, we need to identify the correlation is positive or negative.

Q: Which correlation would a researcher most likely want to obtain? A. 0 B. -8 C. 1 D. 7

A:

Q: Match each scatterplot shown below with one of the four specified correlations.

A: The correlation coefficient r measures the direction and strength of linear relationship between two…

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Q: LL1Q7.The following table represents the survey conducted in a school. Male Female Pizza 25 19…

A: Given, following table represents the survey conducted in a school.   Male Female Pizza 25 19…

Q: 7) Please answers in the space provided. Arrange the labels for each scatterplot in order from…

A: Arrange the labels for each scatterplot in order from weakest correlation to strongest correlation

Q: None

A: a. The more useful the size the bubbles will be to help the audience understand the results: This…

Q: Select the graph that shows the scatterplot of the data set. OA. -2 2 .. - 1 4 -4 OB. 7 1 - 3 - 5 5…

A: From the table, we get the points (-2,-2), (8,-1), (4,-4), (7,1) , (-3,-5), (5,-4)

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A: The correlation measures the relationship between the two variables.  It is the statistical…

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Q: Q1, a. define correlation and it's types.        b. write the properties of r.

A:

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Q: Which value of r indicates a stronger correlation: r= 0.841 orr= - 0.949? Explain your reasoning.…

A: