Mathematics, 29.08.2021 19:40 nana55959
The history club surveyed 75 students about the number of history courses in which they were enrolled and the length of time it took them to complete an exam. Classify the
random variables from the survey.
Number of history courses, continuous; length of time to complete exam, continuous
O Number of history courses, continuous; length of time
complete exam, discrete
Number of history courses, discrete; length of time to complete exam, continuous
Number of history courses, discrete; length
f time to complete exam, discrete
O Unable to determine from information given
Answers: 2
Mathematics, 21.06.2019 18:30
The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude
Answers: 3
Mathematics, 21.06.2019 19:30
Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 1
The history club surveyed 75 students about the number of history courses in which they were enrolle...
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