10. The mean of this survey is 26.2 and the standard deviation is 8.7. There are 250 pieces of data. Make a number line and put 7 tic marks on it. Label the mean in the middle. This number line represents the horizontal line of the bell curve. a. From the given, make sure you can identify x, s, n. Use x = 30.0. Find z rounded to tenth. b. Use z = -1.34. Find x rounded to tenth place. a. b.

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10. The mean of this survey is 26.2 and the standard deviation is 8.7. There are 250 pieces
of data. Make a number line and put 7 tic marks on it. Label the mean in the middle. This
number line represents the horizontal line of the bell curve.
a. From the given, make sure you can identify x, s, n. Use x = 30.0. Find z rounded to
tenth.
b. Use z = -1.34. Find x rounded to tenth place.
a.
b.
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Transcribed Image Text

10. The mean of this survey is 26.2 and the standard deviation is 8.7. There are 250 pieces of data. Make a number line and put 7 tic marks on it. Label the mean in the middle. This number line represents the horizontal line of the bell curve. a. From the given, make sure you can identify x, s, n. Use x = 30.0. Find z rounded to tenth. b. Use z = -1.34. Find x rounded to tenth place. a. b.

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