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It is believed that the median yearly income in a suburb of Atlanta is $70,000. A sample of 67 residents was taken. Thirty-eight had yearly incomes above $70,000, 26 had yearly incomes below $70,000, and 3 had yearly incomes equal to $70,000. The null hypothesis to be tested is H0: Median = $70,000. To test the null hypothesis, the appropriate probability distribution to use is
Histogram
A graphical representation of the distribution of numerical data, usually showing the frequency of data within certain ranges.
Class Interval
A range of values in a dataset that is grouped together for the purpose of constructing a frequency distribution or histogram.
Frequency Distribution
A summary of data showing the number (frequency) of observations in each of several non-overlapping categories or bins.
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