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Protein Intake:
Men The Dietary Reference Intake of proteins is different for men and women. For both, the distribution is approximately Normal.
For men, the middle 95% range from 54 to 58 grams per day, and for women, the middle 95% have protein intake recommendation between 44.8 and 47.4 grams per day.
a. What is the mean for the men? Explain your reasoning.
b. Find the standard deviation for the men. Explain your reasoning.
The population mean on the paranoia scale is 50.- Suppose 24 police officers filled out the inventory, producing a mean of 54.3. Write interpretations of these t-test values.
If the population mean was $1047 in the previous year, does the evidence suggest that expenditure this year has significantly changed?
Assuming the manufacturer's claim is correct, what is the probability that the mean of the sample is 47,860 miles or less?
a manufacturer claims the average life of a product is 500 hours. the lifetime of the product is assumed to follow an
What was the aftermath of the "Great War" in Europe and the world at large? What 20th century trends do we see starting during this period that build and grow throughout the century?
a. What is the z score for Indiana University? b. What is the z score for the University of Evansville?
Use the Bonferroni or another multiple-comparisons procedure to determine which pairs of means differ significantly. Summarize your results in a short report. Be sure to include a graph.
The amount of pyroxidine (in grams) per multiple vitamin is normally distributed with a mean = 110 grams and a variance = 25 grams. A sample of 25 vitamins is to be selected.
1. use a scatterplot and the linear correlation coefficient r to determine whether there is a correlation between the
a professor wishes to recruit 2 students for a research project. the probability that a student will accept the
Instructions and Background This assignment requires students to identify, discuss and evaluate potential data collection, analysis and reporting strategies for dealing with small sample data. Research Scenario The intended research design was a R..
the following sample was obtained from a population with unknown parameters.scores 6 12 0 3 4a. compute the sample mean
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