(1) According to the digital marketing agency, Tecmark, smartphone users on average check their phones 221 times per day. Twenty-six people from a convenience sample were asked how many times they check their smartphones per day. Their answers are shown below: 5 27 1 136 0348899 9 124578 10 2 (a) Is this distribution symmetric, skewed to the left or skewed to the right? (b) Give the five-number summary for this distribution. (c) Draw a boxplot for this data. (d) Compute the interquartile range