Mathematics, 03.03.2017 08:47

# 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.

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Astudy investigated the job satisfaction of teachers allowed to choose supplementary curriculum for...

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