Donna wants to test whether or not drinking coffee will immediately increase heart rate while sitting in class.Six people measured their heart rates before drinking coffee and then the same six people took their heart rates after drinking their coffee.Please calculate the t-statistic for this experiment; then state the critical value; then come to a conclusion concerning the null hypothesis; and then state what the implications are concerning drinking coffee.

No CoffeeCoffee

7984

7178

8487

6675

7480

7682