Compare data set A and data set B. Set A: mean = 62.8, standard deviation = 1.2 Set B: mean = 62.8, standard deviation = 11.8 A. Both sets have basically the same data. B. Not enough information is given. C. Set B has a larger spread of data. D. Set A has a larger spread of data.

Can any one me with the answers to these questions asap?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

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.