Find the mean, the median, and all the modes for the pay rates in the given frequency distribution. Round your answers to two decimal places. Hourly pay rates for employees Frequency 9.00 4 12.50 29 15.50 7 20.00 4
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The following data give the hourly wage rates (Rands) for a sample of 20 workers selected from a large company. 12.50 9.45 13.85 7.25 8.70 14.60 11.75 14.50 10.80 12.45 7.50 15.90 9.75 11.50 13.30 6.25 15.50 12.80 5.35 9.50 Using the raw data, determine the range. Fill in the missing values in the table below. Interval (Rand) | Frequency | Cumulative Frequency 5.00 < 7.00 | | 7.00 < 9.00 | | 9.00 < 11.00 | | 11.00 < 13.00 | | 13.00 < 15.00 | | 15.00 < 17.00 | | ÎŁ | 20 | Determine the mean wage rate using the raw data. Find the median. Is there a mode? Explain.
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The annual salaries for all employees working for a certain company are summarized in the following frequency distribution. Salary ($) | Number of Employees 55,001 - 60,000 | 10 50,001 - 55,000 | 12 45,001 - 50,000 | 16 40,001 - 45,000 | 17 35,001 - 40,000 | 18 30,001 - 35,000 | 12 Use this frequency distribution to approximate the mean salary for employees of this company. Treat the data as population data. Round your answer to the nearest dollar.
Adi S.
Evaluate the arithmetic mean, median, and mode for the following distribution of 'number of telephone calls received per one-minute interval': $$ \begin{array}{|l|l|r|r|r|r|r|r|r|r|} \hline \text { No. of Calls } & 0 & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 \\ \hline \text { Frequency } & 5 & 22 & 31 & 43 & 51 & 40 & 35 & 15 & 3 \\ \hline \end{array} $$
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