a group of 5 statistic students received the following grades on a test: 81, 74, 62, 92, and 76. an intervention plan is used and the students were hopeful to increase their scores on a retest. they received the following grades in retest: 89, 78, 59, 98 and 75. At the 0.025 significance level, is the intervention plan helpful in increasing the grades? a. State the null and alternate hypotheses.H1 Hob. state the decision rulec. compute the value of the test statisticd. compute the p-value.e. what is your decision regarding the null hypothesis? interpret the result.
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