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group
mean
stdev
population (N)
men
514
112
80,382
women
485
103
92,420
The cutoff for mathematics scores is 550. How many Texas men had a qualifying score? and What score defines the top 10% of Texas women's scores on the math SAT?
which is a value often used for the upper limit of the range of normal values. What do the results suggest about the sample group?
Find the probability that there are two oral proposals and two written proposals in a particular week. Find the probability that there are exactly two oral proposals and two or fewer written proposals in a particular week.
The manager requires the estimate to be within 1.0 minutes of the population value. What sample size is needed?
for a certain random variable having the normal distribution the probability is 0.33 that it will take on a value less
Under what circumatances do you use a one-sided confidence interval instead of a 2 sided confidence interval?
you have been recently hired as a marketing analyst in an advertising agency. you are assigned the task of assessing
Smaller clearance (i.e., x1 - x2) than 0.09 should be 0.006, what distance between the nominal dimensions of the two parts (i.e., u1 and u2) should be specified by the designer?
What type of graph would you use to represent the data and why? Focus on finding relevant, personally meaningful material to work with for these students.
Find a research article and clearly define both the null and directional hypothesis that was or could have been tested during the statistical analysis of the data.
Consider Obama's health care plan. There are = #s of males and females. 50% of the females approve (A) of the plan and 70% of the males do not approve (N) of the plan.
If statistically significant, do you think the difference is large enough to be important?
You just saw an ad on television that states the majority of the population would vote to make smoking illegal. The poll that is referenced shows 53% of those asked supported making smoking illegal.
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