Question

2. 3. The histograms represent two data sets. Which describes the shape of each distribution? (A) Both are relatively symmetric. (B) Both are skewed. (C) Data set 1 is symmetric. Data set 2 is skewed. (D) Data set 1 is skewed. Data set 2 is symmetric The prices for six books are given below. If all the prices are reduced by 50%, what is the new median price? $12.75, $14.80, $19.99, $9.95, $16.00, $17.95 (A) $7.40 (B) $7.70 (C) $15.24 (D) $15.40 On a recent standardized test, Ahmed scored in the 90 percentile. If 2800 people took the test, then Ahmed's score was higher than what number of scores? (A) 2520 (B) 2600 (C) 2650 (D) 2720 4.

Answer 1

2) option is correct as from shape, we see that data set 2 is symmetric. The given data set can be written as 9.95, 12-75, 14180, 16:00,17.95,19-99 - 2 median price= average of 3rd & 4th price 14.00 +16.00 30.do 15.40 2 on reducing price by 50%, mediam will also become half go new median price & 15.40 2 = 7.70 $ Answer 80 option (@ is correcto Ahmed's score was higher than 이 =.90 x 2800 - 2520 80 option ® is option ® is correct. ICS Scanned with CamScanner