statistics :

Question 8 1 pts 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 Sum of Squares (SS) of 384. Did the intervention improve reading in kindergarteners? What test would you use to measure this? Chi-Square O ANOVA O z-test O t-test Question 9 1 pts 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 SS of 384. Did the intervention improve reading in kindergarteners? Would this hypothesis be one-tailed or two-tailed? two-tailed One-tailed