Question

The researcher needs to determine if girls on average score higher than 600 in the exam. The information that the standard deviation for girls’ scores is 100. The data of 20 girls was collected by using random samples and record their marks which are as under

Score: 650, 730, 510, 670, 480, 800, 690, 530, 590, 620, 710, 670, 640, 780, 650, 490, 800, 600, 510, 700

​

Answer 1

Answer:

Step-by-step explanation:

Jcj jf lgjxkvjhohibgfyvuig