10.4 Comparing two means: Paired samples
\"We want to know if there is a difference between the size of theshoe between mother and daughter, for which a sample of 10 pairs ofmother and daughter is taken and a hypothesis test isperformed.\"
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Mother | 7  | 7  | 8  | 8  | 6  | 9  | 8  | 6  | 7  | 9  |
Daughter | 7 | 6 | 8 | 6 | 9 | 8 | 8 | 7 | 8 | 7 |
1. State the hypotheses
2. what is the average value of the paired differences (d-bar)
3. Calculate the stadistic. Tcalc
4. Do we accept or reject the null hypothesis?