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Question: A random sample of 300 female members of health clubs in Los Angeles showed that they spend, on average, 4.5 hours per week doing physical exercise with a standard deviation of .75 hour. Find a 98% confidence interval for the population mean.
Calculate the mean, median and mode for both sets and do graph/histogram to chart the results and conclude if indeed one set of year had more the other as far a snowfall.
a pharmaceutical company receives large shipments of ibuprofen tablets and uses this acceptance sampling plan randomly
1. How will your interpersonal communication strengths help you succeed in the health career field?
a sump pump in a basement has two battery-operated back-up pumps. in the case of power outage the main sump pump shuts
in a poll taken in march of 2007 gallup asked 1006 national adults whether they were baseball fans. 36 said they
What do you think is the ideal number of children for a family to have?" A Gallup Poll asked this question of 1016 randomly chosen adults. Almost half (49%) thought two children was ideal
Fit a linear trend to this data. Estimate and interpret the coefficients of this model. Does the linear model fit well? Interpret the coefficient of determination and standard error of estimate. Provide three measures of forecast accuracy.
The sample was of 2,058 firms, and the regression slope estimate was 0.051. The reported p-value was 0.034. What was the standard error of the slope estimate? Interpret the findings.
In a large section of statistics class, the points for the final exams are normally distributed with a mean of 72 and a standard deviation of 9. Grades are to be assigned according to the following rule.
Working at Company X is very stressful for any human being. Medecines Sans Frontires stepped in to see if there is any possible violations of human rights at the notorious Company X.
There are seven cards with digits 0,1, 2, 3, 4, 5, and 6. A child takes four of the cards and places them in some order. What is the probability that he obtains a four-digit number less than 3265?
suppose that a tribal culture was discovered in the south pacific whose language consists of only fourteen letters a e
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