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Frumpies
The makers of Frumpies, the breakfast of rug rats, want to improve their marketing, so they consult you:
a) They first want to know what fraction of children, ages 10 to 13, like their celery-flavored cereal. What kind of study should they perform?
b) They are thinking of introducing a new flavor, maplemarshmallow Frumpies, and want to know whether children will prefer the new flavor to the old one. Design a completely randomized experiment to investigate this question.
c) They suspect that children who regularly watch the Saturday morning cartoon show starring Frump, the flying teenage warrior rabbit who eats Frumpies in every episode, may respond differently to the new flavor. How would you take that into account in your design?
The ages of the cadets in the sample will form a normal distribution.
we wish to design a study to assess risk factors for stroke and dementia. there are two primary outcome measures. the
A student scores 81 on a chemistry test and 75 on a history test. For the chemistry test, the mean was 70 and the standard deviation was 20. For the history test, the mean was 65 and the standard deviation was 8.
An event planner needs to decide a seating arrangement for five people at a table. Calculate the total number of possible arrangements from which to choose.
suppose that two electronic components in the guidance system for a missile operate independently and that each has a
Based on the results of the test, can the consumer group report in its next publication that the tires last less than 60,000 miles?
In November 2009, 65% (0.65) of Americans favored the death penalty for a person convicted of murder. In November 2010, 1025 adult Americans were asked by the Gallup organization,
(Constraint Relaxation and Lagrangian Relaxation) The purpose of this exercise is to compare the lower bounds obtained by relaxing integer constraints and by dualizing the side constraints. Consider the nonlinear network optimization problem with ..
q1. if a population distribution is known to be normal then it follows thata. the sample mean must equal the population
Compute and interpret each of the statistics in parts(a) through (f) Mean and Median.
A researcher posed a null hypothesis that there was no significant difference between boys and girls on a standard memory test. She randomly sampled 100 girls and 100 boys in a community and gave them the standard memory test. What is the standard..
1 based on the results construct a 95 confidence interval estimate of the percentage of all such pages that have
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