Mathematics, 12.08.2020 08:01, mega29
The following sample contains the scores of 6 students selected at random in Mathematics and English. Use the scores in English as the dependent variable Y.
Mathematics score (X) 70 92 80 74 65 83
English score 74 84 63 87 78 90
Σx =464 Σy=476 Σx^2= 36354 Σy^2=38254 Σxy= 36926
Find the sample coefficient of determination and interpret.
a. 0.0575 and prediction accuracy is 5.75%
b. 0.2397 and prediction accuracy is 23.97%
c. 0.0575 and prediction accuracy is 94.25%
d. 0.2397 and prediction accuracy is 76.03%
Answers: 3
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 20:40, mimithurmond03
In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.
Answers: 3
Mathematics, 21.06.2019 21:00, gavinarcheroz2jxq
Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.
Answers: 1
Mathematics, 21.06.2019 23:30, cam6877
Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.
Answers: 1
Do you know the correct answer?
The following sample contains the scores of 6 students selected at random in Mathematics and English...
Questions in other subjects:
English, 04.02.2021 02:00
Mathematics, 04.02.2021 02:00
Mathematics, 04.02.2021 02:00
Physics, 04.02.2021 02:00
