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You will need to use both word and excel to complete this quiz. Companies planning to introduce a new product in the market must define the "target" for the product. Age and gender are two of the most important demographic variables. The following two-way describes the age and marital status of American women in 1999. The table's entries are in thousands of women. Compute the marginal distribution of marital status for all adult women (use percent's). Use excel to create a bar chart to display this distribution. Insert this graph into Word and discuss it. Compare the conditional distributions of marital status for women aged 18 to 24 and women ages 40 to 64. Discuss the most important difference between the two age groups. Your company is planning a magazine aimed at women who have never been married. Find the conditional distribution of age among never-married women and display it in a bar graph. Insert this graph into word. Discuss what age group or groups you would suggest to your magazine to target.
Suppose that the null hypothesis is rejected and that an alternate hypothesis is accepted. Discuss the conclusion as a type I error, a type II error, or a correct decision-if in fact the defendant is innocent.
Industry standards recommend that 9 percent of new vehicles need warranty service in the first year. Determine the probability that none of these vehicles needs warranty service?
Is there any statistically significant difference in how the drugs perform? If so, explain the effect. Use the post hoc tests as needed.
Assuming that a plane make a safe flight if at least one-half of its engines run, determine whether a 4-engine plane or 2-engine plane has the higher probability for a successful flight.
The profit for product 1 is $6 per unit, and the profit for product 2 is $4 per unit. Solve this model by using graphical analysis.
Explain the terms parameter and statistics. Make sure the concepts of population and sample are included in the definitions.
Classify the following as an example of nominal, ordinal, interval, or ratio level of measurement, and state why it represents this level: rankings of the top ten best-selling authors
Is there evidence of a difference in the variability of the waiting time between the two branches? (Use 5% level of significance). Find the p-value in (a) and interpret its meaning.
At the 0.05 significance level, can we conclude that the mean waiting time at the Warren Road MacBurger is less than 3 minutes?
Payne (2001) gave participants a computerized task in which they first see a face and then a picture of either a gun or a tool. The task was to press one button if it was a tool and a different one if it was a gun.
If the data produce a t statistic of t = 2.50, then which of the following is the correct decision for a two-tailed hypothesis test?
Which is more likely to occur-more than 60% correct identifications in the sample of 200 or more than 55% correct identifications in a sample of 1,000? Explain.
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