A frequency Distribution presents the number of adults aged…
A frequency Distribution presents the number of adults aged 15-44 who watched the movie “Inside Out 2” at a local theater. Age Frequency 15-19 5 20-24 25 25-29 21 30-34 12 35-39 9 40-44 28 no need to round any of the following answers a. List the lower class limits in increasing order [a] (separate with a comma) b. What is the class width? [b] c. What is the class midpoint for class [30- 34] [c] d. How many adults were there in this study? [samplesize]
Read DetailsGiven the Frequency Distribution Table. Answer the following…
Given the Frequency Distribution Table. Answer the following parts a-c. Class Class Midpoints Frequency 0-10 5 6 11-20 15 9 21-30 25 7 a. The sum( ∑ ) of the frequencies is [22] b. The sum( ∑) of the product of midpoints and frequencies is [340] (“Product of” means the “multiplication of” so the product of a and b means axb) c. The mean of the table is [15p45] (rounded to two decimal places)
Read DetailsThe ages of participants in a video game tournament follow a…
The ages of participants in a video game tournament follow a normal distribution with a mean of 25 years and a standard deviation of 4 years. Find the age (the data value) that corresponds to a z-score of 1.8. (round to one decimal place as needed)
Read Detailsa. In a survey, participants were asked to rate their satisf…
a. In a survey, participants were asked to rate their satisfaction level with a product on a scale of 1 to 5. This variable is [ordinal]. b. A statistician recorded the type of cars that students drove to campus. This variable is [nominal]. c. A study collected data on the number of pets each student in a class has. This variable is [discrete].
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