answer the questions below. (a) the 9 participants in an experiment had the following reaction times (in…

answer the questions below. (a) the 9 participants in an experiment had the following reaction times (in milliseconds): 778, 793, 799, 808, 815, 818, 820, 826, 1119. which measure should be used to summarize the data? mean median mode (b) a car dealer has used cars for sale for the following amounts: $3400, $3500, $3700, $3800, $3900, $4000, $4100, $4200, $4300, $4500. which measure should be used to summarize the data? mean median mode (c) a data set shows the age of each resident at lakeview retirement home. which measure gives the age shared by the most residents? mean median mode

answer the questions below. (a) the 9 participants in an experiment had the following reaction times (in milliseconds): 778, 793, 799, 808, 815, 818, 820, 826, 1119. which measure should be used to summarize the data? mean median mode (b) a car dealer has used cars for sale for the following amounts: $3400, $3500, $3700, $3800, $3900, $4000, $4100, $4200, $4300, $4500. which measure should be used to summarize the data? mean median mode (c) a data set shows the age of each resident at lakeview retirement home. which measure gives the age shared by the most residents? mean median mode

Answer

Explanation:

Step1: Analyze data in (a)

The data set 778, 793, 799, 808, 815, 818, 820, 826, 1119 has an out - lier (1119). Mean is affected by outliers, mode is not suitable as no value repeats, so median is the best measure.

Step2: Analyze data in (b)

The data set $3400, $3500, $3700, $3800, $3900, $4000, $4100, $4200, $4300, $4500 is relatively symmetric without extreme outliers. Mean can represent the central tendency well.

Step3: Analyze data in (c)

The question asks for the age shared by the most residents. By definition, mode is the value that appears most frequently in a data set.

Answer:

(a) Median (b) Mean (c) Mode