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Is there a relationship between GRE total scores and GPAs in the master's programs in electrical engineering?" The researcher's null hypothesis states, "There is no correlation between GRE total score and GPA from an electrical engineering master's program." The researcher's alternative hypothesis states, "There is a positive correlation between GRE total scores and GPA from an electrical engineering master's program."
a california university is investigating expanding its evening programs. it wants to target people between 25 and 55
Do these results suggest that the racial makeup of the faculty members is different from that of the students? (Use the .05 significance level.)
A random sample of doctors was taken suppose the test statistic is z= -1.95. can we conclude that h0 should be rejected at the 1) a=.10 b) a=0.05 c) a= 0.01 level?
Find a 95% confidence interval for the proportion p of the inner-city, working-class group who eventually became alcoholics.
a new grug had a potency advertised at 75. given the following smaple datan25x bar 76.6s1a check manufacturers claim
Are there any statistically significant differences in baseline characteristics between treatment groups? Justify your answer. Write the hypotheses and the test statistic used to compare ages between groups. (No calculations - just H 0 , H 1 and for..
question 1 a project being analyzed by pert has 38 activities 16 of which are on the critical path. if the estimated
derive the expected mean squares for a two-factor analysis of variance with one observation per cell assuming that both
The national sporting goods association conducted a survey of persons 7 years of age or older about participation in sports activities the total population in this age group was reported at 248.5 million with 120.9 million male and 127.6 million f..
the average time it takes college freshmen to complete the mason basic reasoning test is 38.3 minutes. the standard
Determine equation in point-intercept form for line that goes through points (8,-1) and (4,3).
Two groups of students are asked to rank their preference for six types of soft drinks. The following table shows their rankings.
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