HW1_Soln

7 1 cjiwm 45 q using

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Unformatted text preview: , the stem-and-leaf display is: C haracter S tem-and-Leaf Display S t em-a nd-leaf o f C esium N 9 Le a f Unit = 0 . 1 0 1 --6 0 2 4 -5 5 -5 00 (3 ) 2 .; - 4 8 65 -4 11 Using MINITAB, the histogram is: [ -- . . . -­ - -,-- . - Histogram o f C esium 2.0 >J ' ." (; .1 ~ ;:1.0 " u. 0 .5 0.0 ._ , -6-0 -5.5 . -5-9 , .4.5 , -4.0 Ce$ium d. e. 14 The stem-and-Ieaf dispJay appears to be more informative than the other graphs. Since there are only 9 observations, the histogram and dot plot have very few observations per category. There are 4 observations with radioactivity level o f -5.00 or lower. The proportion o f measurements with a radioactivity level o f -5.0 or lower is 4 / 9 = .444. C hapter 2...
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