3. Summarizing interval data-Histograms and skewness The histogram for the data

Question

3. Summarizing interval data-Histograms and skewness The histogram for the data collected on a quantitative variable named Variable X is shown here FREDUENCY meusandsef carrencesi 30 zc. The distribution shown in the preceding histogram is sased on the shepe of the distribution, which of the following is variable x mare ikxely to rapresent? O Scores on a fairly easy licensing exam for a group of working professionals O Amount of cash (in dollars) in a person's wallet in a small U.S town The histogrars for the observations on an unknown quantitative variable called Variable Y is shown here RELATME FREQUENCY 0.48 030 0.0 The distribution shown in the preceding histogram ia 10 25 PM 12/5/2017

Explanation / Answer

Solution

The first graph is positively skewed as it is skewed to the left.

Variable X is more likley to represent Amount of cash in a person's wallet in a small US town asthere will be a higher frequency of low amount and a lower frequency of high amount.The tail of the curve will slope to the right toward the positive.

The second graph is negatively skewed.

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