The following data gives the number of hours 7 students spent studying and their corresponding grades on their midterm exams. Hours Spent Studying 1.5 2.5 3 3.5 4.5 5 6 Midterm Grades 69 72 78 84 87 93 96   Step 1 of 3: Calculate the correlation coefficient, r. Round your answer to six decimal places.   Step 2 of 3: Determine if r is statistically significant at the 0.050.05 level. Step 3 of 3: Calculate the coefficient of determination, r2. Round your answer to three decimal places.

Q: The following data gives the number of hours 7 students spent studying and their corresponding…

A: We have given that data  Hours Spent Studying 0.5 1 1.5 2 2.5 4 5.5 Midterm Grades 60 66 75 78…

Q: A grocery store manager did a study to look at the relationship between the amount of time (in…

A: Since, you have posted a questions with multiple sub-parts, we have provided answer for 3 subparts…

Q: The following data gives the number of hours 1010 students spent studying and their corresponding…

A: Given data: x (Hours spent on studying) 0.5 1.5 2 2.5 3 4 4.5 5 5.5 6 y (Midterm grades) 60 66…

Q: The accompanying table shows the ages (in years) of 11 children and the numbers of words in their…

A: For the given data r =?

Q: urs of Studying 23 12 15 14 16 21 14 11 18 GPA 3.95 3.90 4.00 3.76 3.97 3.89 3.66 3.91 2

A: when correlation is nearer to 0 it is weak

Q: The following data gives the number of hours 77 students spent studying and their corresponding…

A: Hours spent studying(x) Midterm Grades(y) 0.5 66 2.5 72 3 78 3.5 81 4.5 90 5 93 5.5 96

Q: The data in the table is the number of absences for 7 students and their corresponding grade.…

A: Solution-: Let, X=The number of absences  and Y=Grade X Y 1 5.5 2 5 3 5.4 4 4 5 2.5…

Q: The following data gives the number of hours 10 students spent studying and their corresponding…

A: Answer  Given  X           Y             X*Y              X^2             Y^2 0          60…

Q: The following table gives the average number of hours 7 junior high students were left unsupervised…

A: Hours Unsupervised 0.5 1 1.5 2 3 4.5 5.5 Overall Grades 100 96 88 84 72 68 64

Q: The number of initial public offerings of stock issued in a 10-year period and the total proceeds of…

A: As per our guidelines we are suppose to answer only one question kindly post the remaining question…

Q: Hours Spent Studying 0.5 1 2.5 4 5 5.5 6 Midterm Grades 63 69 78 81 84 90 99   Step 1, Calculate…

A: We have given that The number of students spent studying  n=7 Let X represent the number of Hours…

Q: The following table gives the weeks of gestation and corresponding birth weights for a sample of 5…

A: Weeks of Gestation, XWeight (in pounds), Y345367377.5388409

Q: The following data gives the number of hours 10 students spent studying and their corresponding…

A: Given data values X Y 0 60 0.5 63 2 66 2.5 69 3 78 4 81 4.5 84 5 90 5.5 93 6…

Q: What is the relationship between the number of minutes per day a woman spends talking on the phone…

A: Comment: As per the our company guidlines we are supposed to answer only three subparts. Kindly…

Q: The data in the table is the number of absences for 77 students and their corresponding grade.…

A:

Q: A study of bone density on 5 random women at a hospital produced the following results. Age 33 45…

A: XYX.YX2Y23336011880108912960045350157502025122500533451828528091190256133020130372110890065310201504…

Q: A study is being conducted at UCLA to determine if amount of sugar, in grams, consumed per day…

A: Hii ! Thanks for posting the question . Since your question has more than 3 subparts , we have…

Q: Calculate the correlation coefficient for the following data sets. y 51 2 38 4 54 1 33 4 64 55 1 28…

A: Given data,   X Y X*Y X*X Y*Y 51 2 102 2601 4 38 4 152 1444 16 54 1 54 2916 1 33 4 132…

Q: The following data gives the number of hours 10 students spent studying and their corresponding…

A: Given,

Q: The following data gives the number of hours 7 students spent studying and their corresponding…

A: Solution-: We determine correlation coefficient and test it is statistically significant or not.

Q: 8.7 10.2 19.4 18.9 9.5 Put your answer here:

A: Solution : The given data is   x 2.9 2 2.7 7.1 4.6 4.5 y 14.8 8.7 10.2 19.4 18.9 9.5

Q: Use the linear correlation coefficient given to determine the coefficient of determination, R²,…

A: Correlation coefficient(R)=0.89

Q: Pounds 127 120 109 118 143 126 121 128 153 a. Find the correlation coefficient: r = Round to 2…

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three…

Q: Listed below are annual data for various years. The data are weights (metric tons) of imported…

A: Hypothesis : H0 : ρ = 0 ,  i.e. there is no linear correlation between lemon imports and cash…

Q: Based on the data shown below, calculate the correlation coefficient (rounded to three decimal…

A: Given,

Q: The following table compares the completion percentage and interception percentage of 5 NFL…

A: Sample size : n = 5xy55.54.5573.558358.5259.51.5∑x=288.5∑y=14.5

Q: Based on the data shown below, calculate the correlation coefficient (to three decimal places) 5…

A:

Q: The following data gives the number of hours 10 students spent studying and their corresponding…

A: Independent variables = X = Hours Spent Studying Dependent variable = Y = Midterm Grades Hours…

Q: The following data gives the number of hours 1010 students spent studying and their corresponding…

A: The data set shows the grades of the students and number of hours spent studying on their midterm…

Q: lick here to view the data table. Click here to view the table of critical values for the Pearson…

A: A correlation coefficient is a measure that indicates the direction and strength of relationship…

Q: a. What is the value of the correlation coefficient?

A: Here use formula for correlation coefficient  Take x = midterm score y = final scores

Q: The following data gives the number of hours 10 students spent studying and their corresponding…

A: Let X: Hours spent studying and Y: Midterm Grades x y X^2 Y^2 XY 0.5 60 0.25 3600 30 1 63 1…

Q: The following data gives the number of hours 10 students spent studying and their corresponding…

A: Step-by-step procedure to obtain the correlation coefficient using MINITAB software:Step 1: Select…

Q: What would be the predicted stock return for a company whose CEO made $15 million % (Type an integer…

A: We have used the excel data analysis tool to run the regression analysis.

Q: A grocery store manager did a study to look at the relationship between the amount of time (in…

A: a.  The correlation coefficient is x y xy x2 y2 25 93 2325 625 8649 29 80 2320 841 6400 25…

Q: Estimate the most likely degree of correlation for the scatterplot   Options: a. -.99 b. 0 c.…

A: Correlation is the measure that used to determine the strength of association between the two…

Q: What is the relationship between the number of minutes per day a woman spends talking on the phone…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and…

A: We want to find Z-score

Q: The average number of people in a family attending college for various years is given in the table…

A: First we will calculate the Correlation coefficient : Year (x) 1969 1973 1975 1979 1983 1988 1991…

Q: Find the correlation coefficient for the data below which represents the salary of eig people based…

A: Given data, X Y X*Y X*X Y*Y 2 350 700 4 122500 6 900 5400 36 810000 11 1300 14300 121…

Q: Correlations Age Cholesterol Age Pearson Correlation 1 .882 Sig. (2-tailed) .001 N 10 10 Cholesterol…

A: Correlation measures the degree of the linear relationship between independent and dependent…

Q: 19. A researcher measures the relationship between the number of interruptions in class and time…

A: Solution: Given data: x: 8,3,6,2 and y: 18,40,20,32 We find, (a) Correlation coefficient (b)…

Q: Vocabulary size Vocabulary size (a) Display the data in a scatter plot. Choose the correct graph…

A: Given that    X Y X \cdot YX⋅Y X^2X2 Y^2Y2   1 5 5 1 25   2 260 520 4 67600   3 610 1830 9…