The following data represent the record high temperatures for each of the 50 states. 112 100 127 120 134 118 105 110 109 112 110 118 117 116 118 122 114 114 105 112 107 112 114 115 118 117 118 122 106 110 116 108 110 121 113 120 119 111 104 111 120 113 120 117 105 110 118 112 114 144 a. Construct the stem and leaf plot.
b. Construct a frequency distribution table with 4 classes.
c. Calculate the mean, median and mode.
d. Calculate the variance and standard deviation.
e. Calculate inter-quartile range.
