You are interested in the development of numeracy in childhood and want to understand the impact...

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Statistics

You are interested in the development of numeracy in childhoodand want to understand the impact a child attending preschool hason their understanding of numbers. You believe that preschool canstrongly improve a child’s numeracy skills. You collect data from 8children using a numeracy measure where an increased scoreindicates increased numerical ability. You collect data from eachchild before they start preschool as well as after they completepreschool.

A. Write out your null and alternative hypotheses.

B. Conduct the statistical test using alpha .05

C. Determine whether the result is significant or not and makeyour decision regarding the null hypothesis.

D. Explain your finding in terms of your research question. Inother words, what has this shown us about preschool andnumeracy?

Student      Beforepreschool     After preschool

1                            45                       43

2                            33                       39

3                            46                       50

4                            49                       49

5                            28                       31

6                            43                       46

7                            36                       34

8                            37                       38

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