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A researcher wants to know if studying improves scores and decides to set up a...

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A researcher wants to know if studying improves scores and decides to set up a hypothesis test with alpha equal to 0 05 They randomly select students who study before tests and compare the sample grade average against the average test score of all students nationwide In the end the researcher determines that the sample average had a 0 08 probability of occurring if the null hypothesis is true What should the researcher conclude and what type of error might they be making Do not reject the null Type I error Do not reject the null Type Il error O Reject the null Type I error O Reject the null Type Il error

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