What type of data is the number of gallons of gasoline pumped by a firing statio

Question

What type of data is the number of gallons of gasoline pumped by a firing station during a day? Qualitative Continuous Attribute Discrete None of the above When a class interval is expressed as: 100 up to 200, Observations with values of 100 are excluded from the class frequency. Observations with values of 200 are included in the class frequency. Observations with values of 200 are excluded from the class frequency. The class interval is 99. What is the relationship among the mean, median and mode in a symmetric distribution? All equal Mean is always the smallest value Mean is always the largest value Mode is the largest value None of the above The net incomes (in $ millions) of a sample of steel fabricators are: $86, $67, $86 and $85. What is the modal net income? $67 $85 $85.5 $86 None of the above The following are the durations in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier. Referring to Table 2-5, what is the cumulative relative frequency for the percentage of calls that lasted under 20 minutes? 0.10 0.59 0.76 0.84

Explanation / Answer

1)Continuous

2)100-200 means both are included

3)For a symettric distribution,All are equal

4)Mode=86

5)P(X<20)=0.37+0.22+0.15+0.10=0.84

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