Question: In general, five year olds can complete spatial reasoning test in approximately 8 seconds.A preschool teacher wants to see how her kids in her school

In general, five year olds can complete spatial reasoning test in approximately 8 seconds.A preschool teacher wants to see how her kids in her school fair on the test.She administers the test to the 55 students in her class and finds that on average they complete the test in 12.3 seconds, with a standard deviation of 9.8.Using a 0.01 significance level, he teacher finds the following:

H1:8

zcrit: +/- 2.57

zobt= -3.26

Based on this information, what would you conclude?

Group of answer choices

Fail to reject the null hypothesis

Reject the null hypothesis

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