Question

The weight in pounds of 10 overweight people are 230, 235, 302, 287, 312, 323, 265, 319, 342, and 298. What can we say about the shape of the distribution of the weight?
Select one:
a. symmetric
b. skewed to the right
c. approximately bell-shaped
d. skewed to the left

Answer 1

Given :  The weight in pounds of 10 overweight people are 230, 235, 302, 287, 312, 323, 265, 319, 342, and 298.

To Find : What can we say about the shape of the distribution of the weight   a. symmetric

b. skewed to the right

c. approximately bell-shaped

d. skewed to the left

Solution:

Data in order

230

235

265

287

298

302

312

319

323

342

Mean =  291.3

4 points on the left

6 points on the right

Hence mean is on  Left of Median  

Median = (298 +  302)/2 = 300  

Mean  <  Median  

Hence skewed to the the left

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