Answer:
D, $10.47
Step-by-step explanation:
Answer B shows the correct information. If you look at the totals of the tables, B shows that 30 aren't in a band, 20 are in a band, and 25 play an instrument.
Answer:
True.
Step-by-step explanation:
The answer is true. All you need is one 90 degree angle, two 50 degree angles, and one 170 degree angle. This creates a weird looking shape that is a quadrilateral with no parallel lines and at least one right angle.
Please mark me as brainliest. I need to rank up.
Answer:
Step-by-step explanation:
Let X represent for males and Y for females
Given that
Group Group One Group Two
Mean 84.00 78.00
SD 4.00 8.00
SEM 1.26 2.53
N 10 10
SEM is calculated as
for each group

(Two tailed test at 5% significance level)

Since p <0.05 we reject H0 and there is significant difference between the groups.
A.Exam scores were significantly higher in the male group, t(18) = 2.83, p < .05B