#### 4)   You are a researcher interested in whether your new education program will increase students' reading performance or writing performance

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# 4)   You are a researcher interested in whether your new education

program will increase students' reading performance or writing performance. You obtained 200 students (N=200) and all of the students participated in the new education program. After they participated in the new education program, you assessed all of their writing and found that the average score was 52.775. You then assessed their reading and found that the average score was 52.2300. You want to know whether your program was more effective with improving reading or writing scores. Since you had the same participants in both qualitative independent variable groups and one quantitative dependent variable, you conducted a paired samples t-test (dependent t-test) to assess the significance. Here are your results. Write the statistical sentence for the result. Determine if you retain or reject the null hypothesis. Determine whether or not the study is significant and what that indicates.

You are an eighth-grade teacher interested in whether or not candy will increase the speed of recollection. You gave your class of 54 students 5 minutes to memorize 5 spelling words. Prior to recalling the spelling words, you split your class into two equal groups. One group (27 students) ate 10 skittles before recalling the spelling words. Group two (27 different students) did not eat skittles before recalling the spelling words. You found the average time that it took for the students in both groups to accurately recall the spelling words. The students who ate skittles took an average of approximately 9.4 seconds to recall the spelling words whereas the students who did not eat skittles took an average of approximately 17.3 seconds to recall the spelling words. You want to know if candy significantly influenced recollection. Since you had different students in each of the qualitative independent groups and a quantitative dependent variable, you used an independent t-test. Here are your results. Write the statistical sentence for the result. Determine if you retain or reject the null hypothesis. Determine whether or not the study is significant and what that indicates.