3) The following frequency table represents the top speed (in kilometers per hour) of all the players (except goalkeepers) in the 2014 World Cup Soccer Tournament.
Speed
Number of Players
10-13.9
4
14-17.9
7
18-21.9
17
22-25.9
91
26-29.9
282
30-33.9
206
a) Determine the class midpoints and calculate the mean and standard deviation.
b) Sketch a histogram of the data and determine the shape of the distribution.

Tom and lilly rented a house for $12,000 last year. at the start of the year they bought the house they had been renting directly from the owner for $250,000. they believe they could rent it for $12,000 this year, but stay in the house. how much does tom and lilly’s decision to buy the house change gdp? a. it reduces gdp by $12,000 b. it does not change gdp c. it raises gdp by $238,000 d. it raises gdp by $250,000