1.In a histogram, the widths of the rectangles represent the ___________.a) class frequenciesb) class marksc) class boundariesd) class intervals2)In a stem-and-leaf plot, the right of the vertical line contains the_______ and to the left of the vertical line are the_________.3)Which of the following variables yields data that would be suitable for use in a histogram? __________a) the time concentrating on a math problemb) color of hairc) brand of TVd) gender of a student4) A histogram is said to be negatively skewed when ___________.a) the upper tail is much longer than the lower tail.b) the lower tail is much longer than the upper tail.c) the upper tail decreases more than a normal curve,d) the lower tail decreases more than a normal curve.5)In a cumulative ‘less than’ distribution, the classes are labeled using ___________.a) class marksb) upper class markc) class boundariesd) lower class marks6) A numerical distribution is the same as_________ distribution. A categorical distribution is the same as_________ distribution7)In a cumulative ‘more than’ distribution, the classes are labeled using ___________.a) class marksb) upper class marksc) class boundaries .d) lower class marks8) Frequency distributions are two types:__________ and ___________.9)Which of the following could be used to display a categorical (qualitative) distribution graphically? Be sure to select ALL that apply.a) histogramb) pie chartc) bar chartd) stem and leaf display10) A ______________distribution is used to group non-numerical information.1.In a histogram, the widths of the rectangles represent the ___________.a) class frequenciesb) class marksc) class boundariesd) class intervals2)In a stem-and-leaf plot, the right of the vertical line contains the_______ and to the left of the vertical line are the_________.3)Which of the following variables yields data that would be suitable for use in a histogram? __________a) the time concentrating on a math problemb) color of hairc) brand of TVd) gender of a student4) A histogram is said to be negatively skewed when ___________.a) the upper tail is much longer than the lower tail.b) the lower tail is much longer than the upper tail.c) the upper tail decreases more than a normal curve,d) the lower tail decreases more than a normal curve.5)In a cumulative ‘less than’ distribution, the classes are labeled using ___________.a) class marksb) upper class markc) class boundariesd) lower class marks6) A numerical distribution is the same as_________ distribution. A categorical distribution is the same as_________ distribution7)In a cumulative ‘more than’ distribution, the classes are labeled using ___________.a) class marksb) upper class marksc) class boundaries .d) lower class marks8) Frequency distributions are two types:__________ and ___________.9)Which of the following could be used to display a categorical (qualitative) distribution graphically? Be sure to select ALL that apply.a) histogramb) pie chartc) bar chartd) stem and leaf display10) A ______________distribution is used to group non-numerical information.