Question

1. grade 7 students in a class at st. leonards school were asked how much time they spent doing homework tuesday night. the results, in minutes, are shown. 90, 10, 0, 40, 45, 50, 45, 50, 55, 30, 45, 60, 10, 45, 35, 30, 45, 55, 60, 35, 30, 45, 40, 55, 35, 40, 45 a) calculate the mean, median, and mode. b) identify the outliers. how do the outliers affect the mean, median, and mode? c) should the outliers be included when reporting the average time spent doing homework? explain.

Explanation:

Answer:

(a) Mean: 41.6, Median: 45, Mode: 45
(b) Outliers: 0, 90; The outlier 0 decreases the mean, the outlier 90 increases the mean, the median is not affected much, and the mode is not affected.
(c) It depends; if aiming for a more representative - value of typical homework time, they may be excluded as they are extreme values, but if showing the full range of data, they can be included.