Question

The true average diameter of ball bearings of a certain type is supposed to be 0.5 in. A one-sample t-test will be carried out to see whether this is the case. What conclusion is appropriate in each of the following situations? a) n = 11, t = 1.65, α = 0.05 b) n = 21, t = -3.94, α = 0.05

Name: the true average diameter of ball bearings of a certain type is supposed to be 05 in a one sample t test will be carried out to see whether this is the case what conclusion is appropriate in 27397
Uploaded: 2022-11-22T06:25:18-08:00
Duration: 1 min 25 s
Channel: Sri K
Description: the true average diameter of ball bearings of a certain type is supposed to be 05 in a one sample t test will be carried out to see whether this is the case what conclusion is appropriate in 27397

          The true average diameter of ball bearings of a certain type is supposed to be 0.5 in. A one-sample t-test will be carried out to see whether this is the case. What conclusion is appropriate in each of the following situations?
a) n = 11, t = 1.65, α = 0.05
b) n = 21, t = -3.94, α = 0.05

Added by Savannah O.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Sri K

11/22/2022

Step 1

Given that alpha = 0.05 and degrees of freedom = 14, we need to find the critical value at alpha/2. From the t-distribution table, the critical value at alpha/2 = 0.025 and degrees of freedom = 14 is approximately 2.145. ** Show more…

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The true average diameter of ball bearings of a certain type is supposed to be 0.5 in. A one-sample t-test will be carried out to see whether this is the case. What conclusion is appropriate in each of the following situations? a) n = 11, t = 1.65, α = 0.05 b) n = 21, t = -3.94, α = 0.05