The change in value was 8% which amounts to $1630
Further explanation:
The change in value is calculated by using the initial price and selling price of the car.
Given
Purchase Price = P = $21330
Selling Price = S = $19700
As the selling price is less than the purchase price, Cindy had loss.
Percentage of loss will be calculated as:
The change in value was 8% which amounts to $1630
Keywords: Loss, Percentage loss
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Answer:
b. CHISQ.TEST
Step-by-step explanation:
Notation and previous concepts
A chi-square test is "used to test if the variance of a population is equal to a specified value. This test can be either a two-sided test or a one-sided test. The two-sided version tests against the alternative that the true variance is either less than or greater than the specified value"
The statistic is given by:
In order to calculate the p value we need to have in count the degrees of freedom , on this case . And we can calculate the p value would be given by:
But the correct comand is given by:
b. CHISQ.TEST(Actual range, Expected range)
We just need to put in one column the Observed values and in other the expectec values.