Question

Section II – Suppose we gathered the data below by an unbiased method. (The data is sorted DOWN the columns.)

Use the data to create a histogram using six (6) classes. First class should start at 111.

Give the Five-number summary of the data.

Describe the data set. Be specific and note any gaps and/or outliers. Use the 1.5-IQR test to locate outliers.

What description of center would be appropriate for the data set? Explain why?

Draw a box plot.

Section II Suppose DOWN the columns.) we gathered the data below by an unbiased method. (The data is sorted - 111 116 119 120 123 126 128 131 136 142 115 117 119 120 123 127 129 132 136 142 115 117 120 121 123 127 129 133 138 143 115 118 120 121 123 128 131 133 138 158 116 118 120 123 125 128 131 135 141 163 (4 pts) Use the data to create a histogram using six (6) classes. First class should start 1. at 111 buns s71 ndet SuD 5 0206 1 80.0

Answer 1

Frequency Table 20 Class Count 17 111-120 17 16 16 121-130 15 131-140 1 4 141-150 11 151-160 1 161-170 1 10 Your Histogram 5 Mean 127.26 Standard Deviation (s) 10.692 1 1 Skewness 1.25515 04 Kurtosis 2.09502 111 121 131 141 151 161 171 Lowest Score 111 Histogram (Frequency Diagram) Highest Score Distribution Range 163 52 Total Number of Scores 50 Number of Distinct Scores 25 Lowest Class Value 111 Highest Class Value Number of Classes Class Range 170 6 10 Frequency

Cumk 1 ! ! II 5 2 2 I17 2 12 2 119 17 2 O ) 2 24 2 3 2.5 125 26 l26 127 28 3 12 8 31 2 33 29 36 131 3 132 37 I 33 2 39 135 1 40 13 6 42 138 2 45 14 2 4 3 48 158 50 I63 l50 i0 n- -

ini mum alue 11 Mari mum value 163 Range Min vaue Mare value 1 63-11) 5 2 50t) otseumliou Cmedian) 25.5h ots 126 t127 2. 126.5

Fust uartle 50+1 1 ots 2.75 120 Bs(hid uaule 50+ols 41 38 25 133 t 0 25x (135-133 133 5

Hveey Fwe no Min value 120 = 1 2. 126 5 Cmedran) 133 5 an value 163 .. 18 R-33 = 133.5- 120 13.5 . Lower hmit der outhns -1528R 120-(1 5x13.5 =99.75 pen linit lor outheis = 3t 1.519R + (1-5x13-9) 33. St 153. 75 . Outlers isn lhi dala and 158 163 The renler onle meadue median te skused

165 162.5 160- 157.5 155 152.5 150 147.5 145 142.5 140 137.5 135 132.5 130 127.5 125 122.5 120 117.5 115 112.5 110