1. States either true or false. (5 marks) a. A sample must have the same characteristics as a population. b. A distribution is skewed to the left if the value of the mean and the median are more than the mode. Range is one of the measure for the central tendency.

What is the value of the digit 1 in the number 13?

Arectangle has a width of 9 units and length of 40 units. what is the length of a diognal. a. 31 unitsb. 39 unitsc. 41 units d. 49 units

Now 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.