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Reil [10]
3 years ago
15

A credit card company wants to test the hypothesis that its account holders spend an average of $100 per month at gasoline stati

ons. They take a sample of 1000 accounts and find an average spend of $115 with a standard deviation of $41. Conduct this hypothesis test with a .01 level of significance. What is the test statistic? Answer to two decimal places. Hint: this is a two-tail test.
Mathematics
1 answer:
Musya8 [376]3 years ago
6 0

Answer: I hate this app

Step-by-step explanation:

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56 ÷ 8 = 7

8 goes into 56 7 times

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\huge\bold{\purple{\bold{⚡133°⚡}}}

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Find the value of X.
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Answer:

Step-by-step explanation:

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Black_prince [1.1K]

Based on the information given, it should be noted that the residual for the two points will be 0.087 and -0.033 respectively.

<h3>How to find the residual.</h3>

From the complete information, the predicted value for the point (3, 0.42) will be:

= (0.091 × 3) + 0.060

= 0.0273 + 0.060

= 0.333

Therefore, the residual will be:

= 0.42 - 0.333 = 0.087

The predicted value for the point (3, 0.3) will be:

y = 0.091x + 0.060.

= (0.091 × 3) + 0.060.

= 0.333

Therefore, the residual will be:

= 0.3 - 0.333 = -0.033

Therefore, the residual for the two points will be 0.087 and -0.333 respectively.

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brainly.com/question/26255019

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