Using traditional methods, it takes 101 hours to receive an advanced driving license. A new training technique using Computer Aided Instruction (CAI) has been proposed. A researcher used the technique on 90 students and observed that they had a mean of 102 hours. Assume the population variance is known to be 16. Is there evidence at the 0.05 level that the technique performs differently than the traditional method? Step 1. State the null and alternative hypotheses. Step 2. Find the value of the test statistic. Round your answer to two decimal places. Step 3. Specify if the test is one-tailed or two-tailed. Step 4. Find the �-value of the test statistic. Round your answer to four decimal places. Step 5. Identify the level of significance for the hypothesis test. Step 6. Make the decision to reject or fail to reject the null hypothesis
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
4. Using traditional methods, it takes 101 hours to receive an advanced driving license. A new training technique using Computer Aided Instruction (CAI) has been proposed. A researcher used the technique on 90 students and observed that they had a mean of 102 hours. Assume the population variance is known to be 16. Is there evidence at the 0.05 level that the technique performs differently than the traditional method?
Step 1. State the null and alternative hypotheses.
Step 2. Find the value of the test statistic. Round your answer to two decimal places.
Step 3. Specify if the test is one-tailed or two-tailed.
Step 4. Find the �-value of the test statistic. Round your answer to four decimal places.
Step 5. Identify the level of significance for the hypothesis test.
Step 6. Make the decision to reject or fail to reject the null hypothesis
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