Mathematics, 27.06.2020 01:01 marie1211
It is believed that GPA (grade point average, based on a four-point scale) should have a positive linear relationship with ACT scores. Given below is the Excel output for predicting GPA using ACT scores based on a data set of 8 randomly chosen students from a Big-Ten university.
Regressing GPA on ACT
Regression Statistics
Multiple R 0.7598
R Square 0.5774
Adjusted R Square 0.5069
Standard Error 0.2691
Observations 8
ANOVA
df SS MS F Significance F
Regression 1 0.5940 0.5940 8.1986 0.0286
Residual 6 0.4347 0.0724
Total 7 1.0287
Coefficients Standard Error t Stat p-value Lower 95% Upper 95%
Intercept 0.5681 0.9284 0.6119 0.5630 -1.7036 2.8398
ACT 0.1021 0.0356 2.8633 0.0286 0.0148 0.1895
Referring to the table, the value of the measured test statistic to test whether there is any linear relationship between GPA and ACT is
A. 0.7598.
B. 0.1021.
C. 2.8633.
D. 0.0356.
Answers: 3
Mathematics, 21.06.2019 16:30
What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.
Answers: 2
Mathematics, 21.06.2019 18:00
Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?
Answers: 2
Mathematics, 21.06.2019 19:00
Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m
Answers: 1
Mathematics, 21.06.2019 22:00
The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.
Answers: 1
It is believed that GPA (grade point average, based on a four-point scale) should have a positive li...
Mathematics, 19.02.2021 19:40
Chemistry, 19.02.2021 19:40
Mathematics, 19.02.2021 19:40
History, 19.02.2021 19:40
Mathematics, 19.02.2021 19:40
Mathematics, 19.02.2021 19:40
History, 19.02.2021 19:40
Mathematics, 19.02.2021 19:40
Mathematics, 19.02.2021 19:40
English, 19.02.2021 19:40
Chemistry, 19.02.2021 19:40