Mathematics, 12.12.2019 05:31 Spence8900
The superintendent of a school district wanted to predict the percentage of students passing a sixth-grade proficiency test. she obtained the data on percentage of students passing the proficiency test (% passing), mean teacher salary in thousands of dollars (salaries), and instructional spending per pupil in thousands of dollars (spending) of 47 schools in the state. following is the multiple regression output with y = % passing as the dependent variable, x1 = salaries and x2 = spending: which of the following is the correct null hypothesis to determine whether there is a significant relationship between percentage of students passing the proficiency test and the entire set of explanatory variables? a) h1: =b3=0
b) h1: =b1=0
c) h1: =b2=0
d) h1: =b0=0
Answers: 2
Mathematics, 21.06.2019 14:30, anitadefrances
Triangle jkl was dilated using the rule dm, 1/3 the image, triangle j’ k’ l’ is the result of the dilation. a.5 units b.7.5 units c.10 units d.12.5 units
Answers: 2
Mathematics, 21.06.2019 19:40, jennifercastillo1233
If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2
Answers: 1
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