Ho: H3: test The stated level of significance, a = CALCULATE: Compute the test statistic using (p-value approach) Write an inequality relating the p technology value to a, include sketch COMMUNICATE RESULTS: The advisor would like to increase the budget for supplemental instruction due to her belief about increased units. Which would be more costly, a Type I error or a Type Il error? Why?

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Section 12: Hypothesis Testing for Population Means and Sampling Distribution for Difference of Two Means
Average Unit Load. The average unit load for first time freshmen of all majors at CSU Long Beach in
Fall 2015 was 13.73, according to Institutional Research. An undergraduate advisor believes that this
number will be higher in Fall 2021 due to stricter admissions standards. She asked a random sample
of 43 incoming freshmen how many units they intend on taking in Fall 2021, and found the sample
mean number of units to be 14.19 with a standard deviation of 3.47. Conduct the appropriate test to
determine if the advisor has sufficient evidence for her claim at the a = 0.02 level of significance.
Source: https://daf.csulb.edu/offices/univ svcs/institutionalresearch/ir reports/IRHTMLRepts/StudentAUL 154.html
PARAMETER:
МЕТНOD:
ASSUMPTIONS:
Determine the null and alternative
hypotheses:
Ho:
H::
test
The stated level of significance, a =
CALCULATE: Compute the test statistic using (p-value approach) Write an inequality relating the p-
technology
value to a, include sketch
Transcribed Image Text:Section 12: Hypothesis Testing for Population Means and Sampling Distribution for Difference of Two Means Average Unit Load. The average unit load for first time freshmen of all majors at CSU Long Beach in Fall 2015 was 13.73, according to Institutional Research. An undergraduate advisor believes that this number will be higher in Fall 2021 due to stricter admissions standards. She asked a random sample of 43 incoming freshmen how many units they intend on taking in Fall 2021, and found the sample mean number of units to be 14.19 with a standard deviation of 3.47. Conduct the appropriate test to determine if the advisor has sufficient evidence for her claim at the a = 0.02 level of significance. Source: https://daf.csulb.edu/offices/univ svcs/institutionalresearch/ir reports/IRHTMLRepts/StudentAUL 154.html PARAMETER: МЕТНOD: ASSUMPTIONS: Determine the null and alternative hypotheses: Ho: H:: test The stated level of significance, a = CALCULATE: Compute the test statistic using (p-value approach) Write an inequality relating the p- technology value to a, include sketch
Ho:
H1:
test
The stated level of significance, a =
CALCULATE: Compute the test statistic using (p-value approach) Write an inequality relating the p-
technology
value to a, include sketch
COMMUNICATE RESULTS:
The advisor would like to increase the budget for supplemental instruction due to her belief about
increased units. Which would be more costly, a Type error or a Type Il error? Why?
68
Transcribed Image Text:Ho: H1: test The stated level of significance, a = CALCULATE: Compute the test statistic using (p-value approach) Write an inequality relating the p- technology value to a, include sketch COMMUNICATE RESULTS: The advisor would like to increase the budget for supplemental instruction due to her belief about increased units. Which would be more costly, a Type error or a Type Il error? Why? 68
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