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Kruka [31]
2 years ago
15

A freelancer, who specializes in digital marketing, is interested in the average amount of money small businesses spend on pay p

er click advertising. In previous years, less than 3300 dollars, on average, is spent on pay per click annually. The digital marketing freelancer suspects this average has increased in recent years. If the digital marketing freelancer chooses to use the rejection region approach for their hypothesis test, what do they need to calculate in order to compare with the critical value
Mathematics
1 answer:
seropon [69]2 years ago
6 0

Answer:

Test statistics

Step-by-step explanation:

A test statistic is calculated to compare with the critical value approach. The critical value is found by choosing any value of significance level ∝ = 0.05, 0.1 or 0.01  . Mostly 5% is preffered .

The the calculated value of the test statistic is compared with the chosen value rejection region that whether it falls in the critical region or not.

The test statistic is applied on the conditions given. For example comapring many results can be done by using chi square or  comparing two means can be done by t test or testing the variation can be done by F - test.

In the given problem a z test would be used.

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A building has two sizes of apartments Smart in regular the ratio of small apartments to regular apartments is 18 to 7 what perc
tino4ka555 [31]

Answer:

72 percent of the total houses are small

Step-by-step explanation:

The first step is to know the total apartments from the ratio: This is got by adding 18 + 7 = 25

The ratio of small apartments to regular ones is 18:7

To get the percentage that is small, we have to express the number of small houses when compared to the total available apartments. (<em>Note: not the regular ones) </em>as a percentage.

This will be (18/25) X 100 = 72%

Therefore, 72 percent of the total houses are small

3 0
3 years ago
I need a help please <br> Answer for me all the question
irina1246 [14]

Answer:

see below

Step-by-step explanation:

The sum of the interior angles is 180

<1 + <2 + <4 = 180

<1 + 31+ <4 = 180

<1 + <4 = 180-31

<1 + <4 = 149

<2 + <3 = 180 because it forms a straight line

31 + <3 = 180

<3 = 180-31

<3 = 149

Setting theses equal (since they are both equal to 149)

<1 + <4 = <3

The exterior angle is equal to the sum of the opposite interior angles

4 0
2 years ago
What is the d value of the following arithmetic sequence? 5, 2, -1, -4, -7,…
Andrew [12]
The d value is going to be -3 because you have to compute the differences of all the adjacent terms. 2-5=-3    -1-2=-3     -4-(-1)=-3   -7-(-4)=-3   The difference between all the adjacent terms is the same and equal to -3
6 0
3 years ago
Read 2 more answers
Please solve with explanation
valkas [14]

Answer:

a

Step-by-step explanation:

5 0
3 years ago
Can you plz help me solove this answer
shtirl [24]
Where is the question?
7 0
3 years ago
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