Answer:
angle C = 78
angle D = 108
Step-by-step explanation:
the measure of angle A is 102
To find the measure of angle C
let Angle C be x
102 + x = 180 (linear pair)
x = 180 -102
x = 78
angle C = 78
angle B = 78 (vertically opposite angles are equal)
angle D = 108 (vertically opposite angles are equal)
When the sample size is smaller than 30, the following requirements must be met for the sampling distribution of the sample mean to be considered normal:
- The data values should be symmetrical in the sample.
- No outliers should be in sample data .
If these conditions are satisfied then the sampling distribution of the sample mean to be normal when sample size is less than 30.
A statistic's sampling distribution is a form of probability distribution produced by selecting several random samples of a predetermined size from the same population. You may better comprehend the variations in a sample statistic by using these distributions.
Learn more about Sampling distribution at,
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Z-test should be used when the parent standard deviation is known and the sample size is greater than or equal to 30 (to satisfy the Central Limit Theorem). A T-test should be used when these two rules do not apply.
Given that <span>−13°F < −12°F < −9°F.
</span><span>The inequality statements show that −13°F is 1 colder than −12°F, and −9°F is 3 warmer than −12°F.</span>