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Question: A CFC study found a mean CFC score of 3.51, with a standard deviation of 0.61, for the 664 students in the sample (Petrocelli, 2003).
a. Imagine that your z score on the CFC score is 1.2. What is your raw score? Use symbolic notation and the formula. Explain why this answer makes sense.
b. Imagine that your z score on the CFC score is 0.66. What is your raw score? Use symbolic notation and the formula. Explain why this answer makes sense.
the following information gives the number of days absent from work for a population of 5 workers at a small factory.
The 0.5-kg ball strikes the rough ground and rebounds with the velocities shown. Determine the magnitude of the impulse the ground exerts on the ball. Assume that the ball does not slip when it strikes the ground, and neglect the size of the ball ..
In random samples, 46 of 400 tulip bulbs from one nursery failed to bloom and 18 of 200 tulip bulbs from another nursery failed to bloom. Use the χ2 statistic to test the null hypothesis θ1 = θ2 against the alternative hypothesis θ1 θ2 at the 0.0..
1. the mean wage is rs. 75 per day sd wage is rs 5 per day for a group of 1000 workers and the same is rs 60 and rs
a piggy bank contains one penny one nickel one dime and one quarter. it is shaken until two coins fall out at random.
a. Determine the? person's health care expenses for the year with the insurance policy.
A group of 200 adults aged 21 to 50 were selected from those entering Fit Right Health stores in Washington State, and were randomly divided into two groups. One group was given a herb and the other a placebo. After 6 months, the number of respira..
From her firm’s computer telephone log, an executive found that the mean length of 64 telephone calls during July was 4.48 minutes with a standard deviation of 5.87 minutes.
Find the sample size necessary to construct a 98% confidence interval for the true mean chlorophyll concentration with a bound on the error of estimation B = 0.5.
Is there any evidence that a freshman's chances to graduate may depend upon what kind of high school the student attended? Explain.
Use the result of problem 1 above to show that the average number of heads when a fair coin is flipped n times is equal to n/2.
in order to monitor the ecological health of the florida everglades various measurements are recorded at different
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