Table 2.14 on page 61 shows longevity (typical lifespan) in years for 40 species of mammals, and
Question:
Table 2.14
(a) Use technology to find the mean and standard deviation of the 40 values.
(b) The elephants longevity of 40 years appears to be an outlier in the dotplot in Figure 2.6 on page 61. Find and interpret the z-score for the elephant.
Figure 2.6
Transcribed Image Text:
Species Baboon Black bear Grizzly bear Polar bear Beaver Buffalo Camel Cat Chimpanzee |Chipmunk Longevity 20 18 25 20 Species Elephant Longevity Species Mouse Longevity 3 40 15 Elk Fox Opossum Pig Puma Rabbit 10 Giraffe Goat Gorilla Guinea pig Hippopotamus Horse 10 8. 12 Rhinoceros Sea lion Sheep Squirrel Tiger Wolf 15 20 4 25 15 12 12 20 12 12 10 20 16 Kangaroo Leopard Lion Monkey Moose 15 8. 12 12 12 Cow Deer Dog 15 Zebra 15 15 12 Donkey 20 30 40 10 Longevity
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a Using technology we see that the mean is x 1315 years with a stan...View the full answer
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Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock
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