Find the value of the test statistic z using z $$z = \frac { \hat { p } - p } { \sqrt { \frac { p q } { n } } }$$
-A claim is made that the proportion of children who play sports is less than 0.5, and the sample statistics include n = 1899 subjects with 30% saying that they play a sport.
A) -17.43
B) -35.58
C) 17.43
D) 35.58

Question

Quizplus · Accepted Answer

The test statistic z is calculated using the formula: z = (0.30 - 0.50) / sqrt((0.50 * 0.50) / 1899) = -17.43.

Find the Value of the Test Statistic Z Using Z z=p^−ppqnz = \frac { \hat { p } - p } { \sqrt { \frac { p q } { n } } }z=npq​​p^​−p​

Find the Value of the Test Statistic Z Using Z $z = \frac { \hat { p } - p } { \sqrt { \frac { p q } { n } } }$