A researcher wishes to examine the effects of a new reading program on students' literacy skills. The researcher plans to examine the effects on
students in a kindergarten classroom. What is wrong with this design?
Select all that apply.
O A. Only one grade level is described.
OB. A control group is not used.
O C. Randomization is not used.
O D. The entire population is not used.
SUBMIT

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground