Mathematics, 03.09.2021 15:40 smartie80
A company sends an email survey to 3,500 customers and asks them to rate their customer satisfaction on a scale of 1 to 11. Of the customers who receive the email, 2,500 have been customers for less than 1 year and 1,000 have been customers for more than one year. Of the <1 year customers, 15% answer the survey; of the >1 year customers, 25% answer the survey. The <1 year customers post an average rating of 5.0 and the >1 year customers post an average rating of 8.5.
Required:
a. Which group provided more responses?
b. What is the overall average rating from the survey?
Answers: 1
Mathematics, 21.06.2019 14:30, superfly903
Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?
Answers: 3
Mathematics, 21.06.2019 22:00, Mgarcia325
Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents
Answers: 2
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