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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.
Normally distributed with a mean of 852 and a standard deviation of 143. The proportion of days when at least 800 cars pass through the intersection is about?
Use exponential smoothing to forcast Aug. income. Assume that the initial forecast for Feb. is $65,000. The smoothing constant selected is x=0.1
A manager wishes to find out whether there is a relationship between the number of radio ads aired per week and the amount of sales (in thousands of dollars) of a product. The data for the sample are shown below. a) Draw the scatter plot for the v..
If the standard deviation of the amount spent on books is $8.42, find these probabilities for a randomly selected American. Put answer in percent form.
Determine the minimum sample size he must select if he wants to be 90% confident that the true average time is within 10 minutes of the sample average?
In the class, there are 17 females (of whom 8 are freshmen) and 16 males (of whom 7 are freshmen). If one student is selected at random, what is the probability of selecting a freshmen or a female?
For the data, F=0.46 and the P-value equals 0.63. What can you conclude? d. What were the assumptions on which ANOVA was based? Which assumption is the most important?
Identify the null hypothesis, alternative hypothesis, test statistic, P-value or critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim.
Conduct a matched pairs t-test to see if the differences in locations is significant - The air in poultry-processing plants often contains fungus spores.
Find the sample mean and sample standard deviation of the amount citizens spend per year. When finding a confidence interval for the true mean spent of ALL citizens, should we use a z-score or a t-score? Why?
Suppose that the service rate to a waiting line system is 10 customers per hour (exponentially distributed).
Develop the estimated regression equation that can be used to predict the closing price given the value of Period At the .05 level of significance, test for any positive autocorrelation in the date.
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