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25 randomly selected students were asked the number of disposable plastic bottles they used during the previous week. The results are as follows
No of plastic bottles-0,1,2,3,4,5
Frequency-5,3,5,6,2,4
Relative frequency-
Round all your answers to 2 decimal places where possible
The mean is:_
The median is:_
The first quartile is:_
The third quartile is:_
What percent of the respondents used at least 4 plastic bottles in the previous week?
52% of all respondents used fewer than how many plastic bottles the previous week?


Sagot :

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