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- If H1: μ1 – μ0 < 0, then zobs = -1 has a lower p-value than zobs =1. True or false?just how it did derived to the finalanswer. SHOW COMPLETE SOLUTIONSResearch has shown that losing even one night's sleep can have a significant effect on performance of complex tasks, such as problem solving (Linde& Bergstroem,1992). To demonstrate this phenomenon, a sample of n : 25 college students was given a problem-solving task at noon on one day and again at noon on the following day. The students were not permitted any sleep inbetween the two tests. For each student, the difference between the first and second score was recorded. For this sample, the students averaged M, : 4.7 points better on the first test with a variance of s2 : 64 for the difference scores. a. Do the data indicate a signficant change in problem-solving ability? Use a two-tained test with a: .05"
- Research has shown that losing even one night's sleep can have a significant effect on performance of complex tasks, such as problem solving (Linde & Begrstroem, 1992). To demonstrate this phenomenon, one sample of n=25 college students was given a problem-solving task at noon on one day and again at noon on the following day. The students were not permitted any sleep between the two tests. For each student, the difference between the first and second scores was recorded. For this sample, the students averaged MD=4.7 points better on the first test with a variance of s^2=64 for the different scores. 1. State the hypotheses both experimental and statistical. 2. Do the data indicate a significant decline in problem-solving ability? Use a one-tailed test with a=.01. Please show work and state your decision regarding the H0. 3. Compute a 90% Confidence Interval (upper and lower values). 4. State your conclusion in APA format.Find the sixth term of the G.P. 6, 2,..Research has shown that losing even one night's sleep can have a significant effect on performance of complex tasks, such as problem solving (Linde & Bergstroem, 1992). To demonstrate this phenomenon, a sample of n = 25 college students was given a problem-solving task at noon on one day and again at noon on the following day. The students were not permitted any sleep between the two tests. For each student, the difference between the first and second score was recorded. For this sample, the students averaged MD = 4.7 points better on the first test with a variance of s2 = 64 for the difference scores. (a.) Do the data indicate a significant change in problem-solving ability? Use a two-tailed test with α=.05.
