You have invented a get smart drug that mothers take while pregnant to make their babies...

You have invented a get smart drug that mothers take while pregnant to make their babies smarter. You get a volunteer sample of 235 women who take the drug while pregnant. You assess their children’s IQ score when they turn 20. You want to know if their average IQ is different than the population. You know that the populations average IQ is 100 with a standard deviation of 15. You calculate the average IQ of your sample to be 97

What is/are the critical value(s)? (2 points)

+-1.96

Calculate the test statistic. (4 points)

-3.0659

What is your decision in regards to the null hypothesis? (2 points)

We reject the null hypothesis

What do you conclude about the drug in everyday language? (2 points)

5. Assuming you made an error in your findings, was it a type I error, type II error, or can you not determine which type of error from the data? (2 points)

I am pretty sure my answers are correct until question 4 & 5. I confuse myself on the difference between a type I error and a type II error! Help Please!

Expert Solution

orchestra answered 1 year ago

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