18 QUESTION 17 1 points Save Answer Bob has a data set where the median is significantly smaller than the mean, which of the following is likely to be true? a. The data is right skewed Ob. The data is left skewed c. There has been an error in the data input Od. Categorical data is being treated as numeric data QUESTION 18 1 points Save Answer X Let S be the sample space of different hair colours that Bob collects and suppose S = {"black", "blonde", "brown", "grey", "none", "red", "white"} and let L be the event that someone has lightish coloured hair ie L = {"blonde", "grey", "white"}, which of the following sets is not empty but is mutually exclusive with L? Oa. 0 Ob. {"black", "brown", "grey"} Oc. {"blonde", "grey"} Od. {"red", "none"} QUESTION 19 1 points Save Answer Priva Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit Tem 20 20 city MiscBook Prowhite } and let L be the event that someone has lightish coloured hair ie L = ("blonde", "grey", "white"), which of the following sets is not empty but is mutually exclusive with L? Oa. 0 Ob. {"black", "brown", "grey"} Oc. ("blonde", "grey"} Od. {"red", "none"} QUESTION 19 1 points Save Answer Which of the following is a feature we would expect to see if Bob collected household income data? Oa. Auto correlation Ob. Left skewness c. median > mean Od. Right skewness Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit 681 20 20 itv A o V MacBook Pro