The blood pressure measurements of a single patient were taken by twelve different medical student and the results are listed below. construct a scatterplot, find a linear correlation coefficient r, and find the p-value using a=0.05. Is there sufficient evidence to conclude that there is a linear correlation between systolic measurments and diastolic measurments?
| systolic_(x) |
diastolic_(y) |
| 135 |
93 |
| 133 |
93 |
| 140 |
101 |
| 121 |
84 |
| 123 |
90 |
| 120 |
82 |
| 129 |
81 |
| 131 |
83 |
| 132 |
81 |
| 143 |
97 |
| 141 |
104 |
| 137 |
96 |
a.What are the null alternative hypothesis?
b. Construct a scatterplot
c. The linear correlations coefficient r is?
d. The test statistic T is?
e. The p-value?