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Understanding Statistical Regions 2

What percent of data lie between –1σ and 0 on a normal distribution? (Answer to the nearest tenth.)

What percent of data lie between 0 and +2σ on a normal distribution? (Answer to the nearest tenth.)

What percent of data lie between +1σ and +2σ on a normal distribution? (Answer to the nearest tenth.)

What percent of data lie between –2σ and –1σ on a normal distribution? (Answer to the nearest tenth.)

What percent of data lie between –2σ and +2σ on a normal distribution? (Answer to the nearest tenth.)

What percent of data lie between –1σ and +1σ on a normal distribution? (Answer to the nearest tenth.)

What percent of data lie between 0 and +1σ on a normal distribution? (Answer to the nearest tenth.)

What percent of data lie between 0 and +3σ on a normal distribution? (Answer to the nearest tenth.)

What percent of data lie between –3σ and 0 on a normal distribution? (Answer to the nearest tenth.)

What percent of data lie between –2σ and 0 on a normal distribution? (Answer to the nearest tenth.)

What percent of data lie between –2σ and –1σ on a normal distribution? (Answer to the nearest tenth.)

What percent of data lie between –3σ and +3σ on a normal distribution? (Answer to the nearest tenth.)

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Understanding Statistical Regions 1

What percent of x values lie between –1σ and +1σ of the mean µ (within 1 standard deviations of the mean)?

What percent of x values lie between –2σ and +2σ of the mean µ (within 2 standard deviations of the mean)?

What percent of x values lie between –3σ and +3σ of the mean µ (within 3 standard deviations of the mean)? (Answer to the nearest tenth.)

What percent of x values lie at or below µ?

What percent of x values lie at or above µ?

What percent of x values lie between 0 and +1σ of the mean µ?

What percent of x values lie between –2σ and 0 of the mean µ? (Answer to the nearest tenth.)