# Data Set Test Claim

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Use the data set below to test the claim that more than 50% of the are at least 415.

data set 350,527,480,410,360,470,390,510,430,452,341,385,380,409,500,377,400,380,420,460

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##### Solution Summary

The solution uses the data set below to test the claim that more than 50% of the are at least 415.

data set 350,527,480,410,360,470,390,510,430,452,341,385,380,409,500,377,400,380,420,460

##### Solution Preview

When you do hypothesis testing, you have to first claim different hypotheses.

The first is called the NULL hypothesis

H0: The average of the data set is at least 415

Then you have an ALTERNATE hypothesis:

HA: the average of the data set is less then 415.

First step, you have to calculate the Average of the group:

add up all of the numbers, and then divide by the sample ...

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