Mathematics, 23.09.2020 23:01 reginaldlegette
A researcher selects a random sample of 200 students to determine whether there is a relationship
between the number of days a student is absent and the student's grade point average. The
correlation coefficient, , of the data is -0.765. On the basis of the correlation coefficient alone, can the
orcher conclude that an increase in the number of days a student is absent causes the student's
grades to drod?
Yes, bet the students in the samples were randomly selected,
Yen kennis very ha 10-1,
to treating a segurtive,
No, tocne other factors may have influenced the student grades to drop?
Answers: 3
Mathematics, 22.06.2019 04:10, cravens511peeelg
Lian is deciding which of two gyms to join. each gym charges a monthly rate plus a one-time membership fee. lian correctly wrote and solved a system of linear equations by substitution to compare the costs of the memberships. in her work, she substituted an expression for one variable and solved for the other. this resulted in the equation 75 = 75. what can lian conclude? one gym charges $75 per month. each gym charges $75 per month both gyms charge the same monthly rate and the same membership fee. both gyms charge the same monthly rate, but not the same membership fee.
Answers: 3
Mathematics, 22.06.2019 06:00, suzyleonardsl0
Which values of m and b will create a system of equations with no solution? y=mx+b y=-2x+3/2
Answers: 1
A researcher selects a random sample of 200 students to determine whether there is a relationship
b...
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