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Below is a histogram of salaries (in thousand $) for a sample of marketing managers. What is the sample size? Frequency 10 5 Salaries (thousand dollars) 0 60 70 80 90 100 O 10 O 32 O from 60 to 100 O 100A population of households that subscribe to a local phone company revealed the following number of calls received last year. Frequency Determine the product of the mean and the median number of calls received. Round the answer to two decimal places if needed. In Canada. the number of new Couid-19 cases reported daily injune are the following: 7'58, 1'05, 6?5. 541. 6094 7'22; 642; 545, 409, 47'4. Find the variance of the number of new daily cages inJune. Round the anSwer to two decimal places if needed. : Select qualitative (categorical) variables of the following sets of data. Time required to download a computer file The color of the students' hair in your statistics class The temperature of a refrigerator The number of General Electric microwaves sold by Home Depot last month Brand of laptop computer