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A sample revealed three bags of 56, two bags of 57, one bag of 55, and two bags of 58. To test the hypothesis that the mean candies per bag is 56, how many degrees of freedom are there? * 8 * 9 * 7 * 1 Which of the following is most appropriately displayed with a frequency table? * What percentage of people prefer Hunt's brand ketchup * The home location of the most valuable customers * The relationship between gender and job performance * How much explanatory value comes from the study's variables
The question, "Should products be withdrawn if even one death is associated with its prescribed use, even if no fault for the tampered product accrues to the manufacturer?" is an example of a(n) _____. * unresearchable question * favored-technique problem * ill-defined problem * strip data mining issue
The monthly salaries of a sample of 100 employees were rounded to the nearest $10. They ranged from a low of $1,040 to a high of $1,720. If we want to condense the data into seven classes, what is the most convenient class interval? * $50 * $200 * $150 * …show more content…
* scores an object without making a direct comparison to another object * scores an object by making a comparison and determining order among two or more objects * groups concepts according to specific criteria * groups participants
Which of the following goals should a good survey instrument accomplish? * Encourage participants to be succinct in their responses * Encourage participants to end the survey when they feel they have contributed enough information * Encourage participants to answer only those questions they are comfortable answering * Encourage each participant to provide accurate responses
A large department store examined a sample of the 18 credit card sales and recorded the amounts charged for each of three types of credit cards: MasterCard, Visa, and Discover. Six MasterCard sales, seven Visa, and five Discover sales were recorded. The store used an ANOVA to test if the mean sales for each credit card were equal. What are the degrees of freedom for the F statistic? * 6 in the numerator, 15 in the
The question, "Should products be withdrawn if even one death is associated with its prescribed use, even if no fault for the tampered product accrues to the manufacturer?" is an example of a(n) _____. * unresearchable question * favored-technique problem * ill-defined problem * strip data mining issue
The monthly salaries of a sample of 100 employees were rounded to the nearest $10. They ranged from a low of $1,040 to a high of $1,720. If we want to condense the data into seven classes, what is the most convenient class interval? * $50 * $200 * $150 * …show more content…
* scores an object without making a direct comparison to another object * scores an object by making a comparison and determining order among two or more objects * groups concepts according to specific criteria * groups participants
Which of the following goals should a good survey instrument accomplish? * Encourage participants to be succinct in their responses * Encourage participants to end the survey when they feel they have contributed enough information * Encourage participants to answer only those questions they are comfortable answering * Encourage each participant to provide accurate responses
A large department store examined a sample of the 18 credit card sales and recorded the amounts charged for each of three types of credit cards: MasterCard, Visa, and Discover. Six MasterCard sales, seven Visa, and five Discover sales were recorded. The store used an ANOVA to test if the mean sales for each credit card were equal. What are the degrees of freedom for the F statistic? * 6 in the numerator, 15 in the