, 03.03.2017 08:47 angie249

# Astudy investigated the job satisfaction of teachers allowed to choose supplementary curriculum for their classes versus teachers who were assigned all curricular resources for use in their classes. on average, when surveyed regarding job satisfaction, teachers give a score of 3.3 out of 5 with a standard deviation of 0.6. when the authors of the study interviewed 40 teachers who supplemented with their own materials, they found 3.5 to be the mean. the authors wanted to know if the group of teachers that could choose supplementary curriculum had a higher level of job satisfaction. they used a significance level of 1%. which of the following statements is valid based on the results of the test? the data shows that teachers allowed to choose supplementary curriculum for classes are more satisfied with their jobs. the data shows that teachers who were assigned all curricular resources for classes are more satisfied with their jobs. the data shows that there is no difference in job satisfaction between the two groups of teachers. the data shows that the authors cannot make a determination either way with this data.

### Another question on Mathematics

Mathematics, 05.02.2019 01:13
Job a pays an annual salary of 90,600 , while job b pays 93900. the taxpayer choosing between the two jobs files his federal income tax return with a standard deduction of 5700, only himself as an exemption for 3650, and no additional adjustments to income. after taxes, what is the difference in pay between the two jobs? a. \$924b. \$825c. \$2406d. \$3300
Mathematics, 03.02.2019 23:50
Let p be the population proportion for the situation. find point estimates of p and q. in a survey of 2939 u.s adults, 2439 say they have contributed to a charity in the past twelve months
Mathematics, 03.02.2019 23:22
What is coefficient of the term of degree of degree 5 in the polynomial below
Mathematics, 03.02.2019 07:46
Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'