The time in minutes for a sample of 30 students to get to school on a given day is summarized in the following frequency table and find its mean Time Interval Frequency 30- 40 40-50 50 - 60 10 60-70 70 -80 80 -90 90-100 33 O7412

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A: The explanation is as follows

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Q: 31. Prepare a frequency table with class interval of 10 kg. and firset class as 40-50. Aiso find out…

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A: Given: n=Total number of observations=15 The mean for the data set is calculated as follows:…

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A: Given information: Set A Set B 8 8 9 9 11 11 9 9 12 12 9 5

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A: The formula of the mean is,

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Q: A group of students estimated the length of one minute without reference to a watch or clock, and…

A: Given : Claim : The population with a mean equal to 60 second.

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A: Introduction: Weighted Mean:  The weighted mean is defined as, Mean=∑iwi xi∑iwi For the continuous…

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Q: The following data are the scores of 40 BS Biology students who took up the NMAT that was given last…

A: Introduction: The total number of observations is, n = 40. It is required to construct a frequency…

Q: Calculate the mean and median from the following table : Class Intervals Frequency 6.5- 7.5 5…

A: Given data is Class Frequency 6.2 - 7.5 5 7.5 - 8.5 12 8.5 - 9.5 25 9.5 - 10.5 48 10.5…

Q: The data below is a frequency distribution of the Intelligence Quotient (IQ) of 200 students taking…

A: Solution: 4).  Upper class limit of the 5th class interval (begin the bottom)   The five class…

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Q: By using the table of mean values, which of the variables have the largest  effect on the stop…

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A: The data is given as" Class Frequency 2 - 5 11 6 - 9 6 10 - 13 3

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