Mathematics, 15.02.2021 21:00 chandranewlon
A school psychologist notes that the average number of times that students are disruptive during class is 1.4 [μ=1.4] times per day. Following recent classroom policy changes, the psychologist tests if the number of disruptions during class has changed. He records the following number of disruptions observed during a class day: 2, 4, 3, 5, 1, 1, and 4.
A. Test the hypothesis that the number of complaints has increased or decreased using a .05 level of significance.
B. Compute effect size using estimated Cohen's d.
Answers: 2
Mathematics, 21.06.2019 18:30, rheamskeorsey33
Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?
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Indicate the equation of the given line in standard form. the line containing the longer diagonal of a quadrilateral whose vertices are a (2, 2), b(-2, -2), c(1, -1), and d(6, 4).
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Eric and shiloh each have a savings account. the ratio of eric’s account balance to shiloh’s account balance is 4: 3. together they have a total of $140 in their accounts. use the tape diagram below to you determine the balance of eric’s account.
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A school psychologist notes that the average number of times that students are disruptive during cla...
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