I only need question 12 answered.

iuiz: Hypo'leeis Testing: Pram x r A researcher wants to examine how a new intervention helps children learn to read. A random sample of 25 kindergarten children is selected from a population with a mean score of 20 on a standardized reading test. After the four week intervention program, the children have an average of 22.2 with a 55 of 384. Did the intervention improve reading in kindergarteners? What is the test statistic for the sample? o 0.64 016 o 0.80 Q 175 What do you conclude about this sample? st- 0 The children who participated in the reading intervention were not signicantly different from the general population on reading performance O The children who participated in the reading intervention had an: increase in reading performance ~ 0 The children who participated in the reading intervention had a decrease in reading performance