To find: Whether there is sufficient evidence to conclude that the conductivity of this glass type is higher than 1.
Answer to Problem 72E
Yes, there is sufficient evidence to conclude that the conductivity of this glass type is higher than 1.
Explanation of Solution
Given:
The data set is:
1.11 |
1.07 |
1.11 |
1.07 |
1.12 |
1.08 |
1.08 |
1.18 |
1.18 |
1.18 |
1.12 |
Calculation:
The null and alternative hypotheses are:
Assume level of significance to be 0.05.
The obtained output of Ti-83 plus calculator is:
Here, p -value (0.000) is less than the significance level. Thus, the null hypothesis is rejected. At 5% significance level there is sufficient evidence to conclude that the conductivity of this glass type is higher than 1.
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