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1.) Your statistics instructor claims that 60 percent of the students who take her Elementary Statistics class go through life feeling more enriched. For some reason that she can't quite figure out, most people don't believe her. You decide to check this out on your own. You randomly survey 64 of her past Elementary Statistics students and find that 34 feel more enriched as a result of her class. Now, what do you think? 2.) A Nissan Motor Corporation advertisement read, "The average man's I.Q. is 107. The average brown trout's I.Q. is 4. So why can't man catch brown trout?" Suppose you believe that the brown trout's mean I.Q. is greater than four. You catch 12 brown trout. A fish psychologist determines the I.Q.s as follows: 5; 4; 7; 3; 6; 4; 5; 3; 6; 3; 8; 5. Conduct a hypothesis test of your belief. "se a level of 5% unless otherwise stated. If the sample size is less than n=30, use a "t" distribution instead of "Z." Do not compute p-value for "t"distribution problems. Just compare the test value of "t" with the critical value corresponding to the given level." Basically, all work needs to be shown. No using calculators for computation.
Use the normal distribution to approximate the following probability: According to the most recent Davenport student profile, 47% of students have children under 17 living at home with them. Find the probability that a random sample of 800 students w..
What is the difference between Nominal, Ordinal, and Scale?My assignment has 3 variables: 1) reinforcement schedules (random or spaced)2) reinforcers (token, money, and food)3) dependent variable (test scores)
a) Conduct a crosstabs analysis to examine the proportion of female high school students who take advanced math courses is different for different levels of the parent variable.
A medical researcher wishes to estimate what proportion of babies born at a particular hospital are born by Caesarean section. In a random sample of 100 births at the hospital, 34% were Caesarean sections. Find the 95% confidence interval for ..
In addition, what are some of the real world cautions related to statistical inference and hypothesis testing that managerial practitioners need to be aware of?
The last passenger ends up on his own seat?
Explain why there are no individual differences in the numerator and in the denominator of the F ratio.
What is the probability that a customer will receive his meal in less than 10 minutes?
A company manufactures microwave for popcorn and claims that only 2% of the popcorn failed to pop. Another company who is competitor believes that percentage could be much higher. So this second company does tests with 3000 kernels and finds ..
advertising for this variable each student must fill in the table with whatever random values each student wants.
Degraded state is detected with probability 0.9 (failed state with probability 1) and repair occurs in both degraded and failed states. Repair starts immediately upon detection of the failed or degraded state and restores the system to the oper..
the initial research proposal will consist of the following six items1. identify a business research topic2. define the
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