Question

In: Statistics and Probability

The number of hours 12 students watched television during the weekend and the scored of each...

The number of hours 12 students watched television during the weekend and the scored of each student who took a test the following Monday are listed below.

Hours

0

1

2

3

3

5

5

5

6

7

7

10

Test

96

85

82

74

87

68

76

70

66

65

75

50

a) Find linear regression equation using correct notation (for statistics) the given problem, round coefficients to 3 decimals. (no sentence here)

b) What is value of the slope and its meaning in context of the problem? Make sure you include units.

c) What is the value of the correlation coefficient, does this indicates a negative or positive

association and is correlation strong, weak or neither?

d) If a student watched 4 hours of TV during the weekend, what is the student predicated test score

on the Monday exam? (to one decimal)

e) If a student watched 6 hours of TV during the weekend, what is the student predicated test score

on the Monday exam? (to one decimal)

f) What is residual value for a student that watched 6 hours of TV during the weekend?

Explain what it means, in context of the problem

Solutions

Expert Solution

for further query please comment below.thank you


Related Solutions

Consider the following data of the number of hours 12 students spent online during the weekend...
Consider the following data of the number of hours 12 students spent online during the weekend and the scores of each student who took a test the followingMonday. Hrs spent online(x): 0 1,2,3,3,5,5,5,6,7,7,10. Test scores(y): 96,85,82,74,95,68,76,84,58,65,75,50.a. Find the sample linear correlation coefficient and interpret it. b. Is the population correlation coefficient significant? [ use ? = 0.05]. c. Find the equation of the regression line. What is the slope of the line? Interpret this value in the context? d. What...
1. The chart below records number of hours 12 students spent online during the weekend and...
1. The chart below records number of hours 12 students spent online during the weekend and the Math test scores they achieved the following Monday.   Hours on‐line (x)   0      7      5         2         3        5        1        3        5        10           7         6   Test scores (y)       96    75    84      82      74      76      85      95      68      50          65        58   a) Find the value of “r”, the linear regression constant   b) Find the equation of the regression line   c) Using the regression line, predict, if...
he number of hours of television watched per day by a sample of 28 people is...
he number of hours of television watched per day by a sample of 28 people is given below: 4, 1, 5, 5, 2, 5, 4, 4, 2, 3, 6, 8, 3, 5, 2, 0, 3, 5, 9, 4, 5, 2, 1, 3, 4, 7, 2, 9 -What percent of people watched more than four hours of television per day? (Type the percentage rounded to one decimal place without the % sign.) -About 64% of the people watch no more than...
6. Consider the following data of the number of hours 12 students spent online during the...
6. Consider the following data of the number of hours 12 students spent online during the weekend and the scores of each student who took a test the followingMonday. Hrs spent online(x) 0 1 2 3 3 5 5 5 6 7 7 10 Test scores(y) 96 85 82 74 95 68 76 84 58 65 75 50 a. Find the sample linear correlation coefficient and interpret it. b. Is the population correlation coefficient significant? [ use α= 0.05] c....
Researchers have collected data on the hours of television watched in a day and the age...
Researchers have collected data on the hours of television watched in a day and the age of a person. You are given the data below. Hours of Television Age (in years) 1 45 3 30 4 22 3 25 6   5 ​ a. Determine the dependent variable. b. Compute the least squares estimated regression equation. c. Is there a significant relationship between the two variables? Use a t test and a .05 level of significance. Be sure to state the...
Researchers have collected data on the hours of television watched in a day and the age...
Researchers have collected data on the hours of television watched in a day and the age of a person. They have taken 6 samples. A linear regression analysis has already been run on this data. Here are the partial results: Analysis of variance (Hours of Television): Source DF Sum of squares Mean squares F Pr > F Model    10.939 Error       Total    13.333 Model parameters (Hours of Television): Source Value Standard error t Pr > |t| Lower...
The number of hours per week that the television is turned on is determined for each...
The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 3535 hours and the median is 31.231.2 hours. Twenty-four of the families in the sample turned on the television for 2020 hours or less for the week. The 6th percentile of the data is 2020 hours. Step 2 of 5: Approximately how many families are in the sample? Round your answer to the nearest...
Below is the the number of hours of TV watched by boys and girls per week....
Below is the the number of hours of TV watched by boys and girls per week. Using the data on the number of hours of TV viewing, test the hypothesis that the number of hours of TV watched by girls is less than 7.4 hours per week at a 2% significance level. State the null hypothesis, H0 and the alternative hypothesis, H1 Observation Number of hours of TV viewed by Boy Number of hours of TV viewed by Girl 1...
Below is the the number of hours of TV watched by boys and girls per week....
Below is the the number of hours of TV watched by boys and girls per week. Using the data on the number of hours of TV viewing, test the hypothesis that the number of hours of TV watched by girls is less than 7.4 hours per week at a 2% significance level. Determine the critical values that divide the rejection and nonrejection regions Observation Number of hours of TV viewed by Boy Number of hours of TV viewed by Girl...
The population mean number of hours a group watched TV was 10.5 with a standard deviation...
The population mean number of hours a group watched TV was 10.5 with a standard deviation of 3.6. A random sample of 36 individuals from the group was selected and the number of hours each watched TV was obtained. Consider the statistic the sample mean number of hours the studied group of 36 watched TV. Question 6 options: 12345678 Consider the statistic the sample mean number of hours the studied group of 36 watched TV. What is the mean of...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT