Classify the histogram as skewed to the left, skewed to the right, or approximately symmetric.

Consider this set of data: 4.5 3.2 3.5 3.9 3.5 3.9 4.3 4.8 3.6 3.3 4.3 4.2 3.9 3.7 4.3 4.4 3.4 4.2 4.4 4.0 3.6 3.5 3.9 4.0 Construct a stem and leaf plot by using the leading digit as the stem. Construct a stem and leaf plot by using each leading digit twice. Does this technique improve the presentation of the data? Explain.

Twenty salesmen were asked how many phone calls they made on a givan day. The data was ecorded in the table balow. Construct a dot plot for the sat. 15 12 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 34 5

Draw a scatter plot for the data in the following table. -4 -3 -2 -1 0 1 2 3 4 LO y 0.5 3 4.8 6 7.1 7.2 8.3 8.9 9 9.9 9 8 7 6 5 4 3 21 + -4-3 -2 -1 1 2 3 4 5 Clear All Draw: Dot

ExQm Score Oata 76 69 64 75 70 80 90 86 77 79 82 96 51 64 95 6.2 76 65 68 74 Oc Mahe a box- and whiskar plot d alculus data Exam

(6) Below is the exam score for 11 students: 90, 83, 89, 66, 80, 87, 95, 94, 70, 92, 83 Construct a stem-and-leaf plot for the data set, using the tenth digit as the stem and the unit digit as the leaf.

The following data are the scores of  19  students on an algebra test. 62 ,  84 ,  87 ,  92 ,  55 ,  75 ,  85 ,  63 ,  58 ,  70 ,  60 ,  86 ,  95 ,  61 ,  92 ,  65 ,  84 ,  75 ,  64 Send data to calculator Send data to Excel Using the tool provided, construct a box-and-whisker plot (sometimes called a boxplot) for the data.             55 60 65 70 75 80 85 90 95 Score on algebra test

Use a stem-and-leaf plot to display the data, which represent the numbers of hours 24 nurses work per week. Describe any patterns. 40 40 46 48 31 40 27 40 36 40 36 36 52 32 36 40 35 D 40 33 40 32 38 30 29 Determine the leaves in the stem-and-leaf plot below. Key: 313=33 Hours worked 3 4 51 (---))