Key Concepts Quiz 4.4
Key Concepts Quiz 4.4
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 1 Bruce did a survey of the price of a particular model of calculator in several stores. The results are shown. Find the mean of the prices. (6.0K)Mean of a Data Set Worked Example (28.0K) A) 170 B) 130 C) 127.50 D) 120 2 Find the median of the data from question 1. Median of a Data Set Worked Example (29.0K) A) 170 B) 130 C) 127.50 D) 120 3 Find the mode of the data from question 1. Mode of a Data Set Worked Example (19.0K) A) 170 B) 130 C) 127.50 D) 120 4 Find the outlier in these data. Outliers of a Data Set Worked Example (19.0K) A) 170 B) 130 C) 120 D) There is no outlier. 5 Bruce later discovered that the outlier was an error, and should have been \$145. What effect does this have on the mean, median, and mode? Effect of an Outlier Worked Example (20.0K) A) Mean: loweredMedian: no effectMode: lowered B) Mean: lowered Median: no effect Mode: no effect C) Mean: no effect Median: lowered Mode: no effect D) Mean: raised Median: no effect Mode: no effect