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Q1) Successful hotel managers should have personality characteristics frequently thought of as feminine (like "compassionate") as well as those frequently thought of as masculine (such as "forceful"). Bem Sex-Role Inventory (BSRI) is personality test whihc gives separate ratings for female and male stereotypes, both on scale of 1 to 7. A sample of 148 male general managers of three-star and four-star hotels had mean BSRI femininity score = 5.29.Mean score for general male population is μ=5.19. Do hotel managers on average vary significantly in femininity score from men in general? Suppose that standard deviation of scores in population of all male hotel managers is same as the σ=0.78 for adult male population.
What percentage of the averages or medians of the sample will be greater than 140 seconds?
The professor wishes to use a random-number table to determine which letter choice should correspond to the correct answer for a question.
One use of the Chi-square goodness of fit test is to determine if specified multinominal probabilities in the null hypothesis is correct.
Use the list of random digits below to assign 4 men and 2 women to the shark fin treatment. Read the table from left to right, first selecting the 4 men and then the 2 women. Use the numerical labels given in the chart to the names.
Determine the probability of exactly one success given Poisson distribution with mean of 2.0.
what size sample should the director choose if she wishes to estimate the mean number of admissions per 24-hour period to within 1 admission with 99 percent reliability.
Suppose that 46 percent of families living in a certain country own a car and 18 percent own an SUV. The Addition Rule might suggest, then, that 64 percent of families own either a car or an SUV. What's wrong with that reasoning.
Find out the marginal probability density function for the provided value. Assume that two random variables, X and Y, have bivariate pdf given by:
Utilize this information to construct a probability table, and then calculate each of the given probabilities:P (female and domestic car).
Complete the test at the 5% level of significance.
There were 25 subjects included in each of the combinations of gender and smoking status. One of the variables measured was the heart rate after six minutes of exercise. A two-way ANOVA is performed with the resulting ANOVA table given below
To avoid the problem of not having access to Tables of F distribution with values given for the lower tail, the numerator of the test statistic should be the one with:
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