$\"\"$

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The middle $\"\"$ of the data corresponds to the data between $\"\"$ and $\"\"$ of the distribution or $\"\"$ and $\"\"$ .

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Draw the normal distribution for middle $\"\"$ of the data.

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$\"\"$

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Area of the first white region is $\"\"$ .

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Area of the first white and pink region is $\"\"$ .

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$\"\"$

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Find the $\"\"$ -scores that corresponds to the $\"\"$ and $\"\"$ .

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Evaluate the $\"\"$ -score for percentage of area using TI-84 calculator.

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For the left side $\"\"$ :

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Follow these steps to evaluate Z score for left side $\"\"$ .

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1. Select $\"\"$ .

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$\"\"$

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2. Enter area in decimals.

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$\"\"$ .

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3. Now press Enter in calculator to view answer.

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$\"\"$

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For the right side $\"\"$ :

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Follow these steps to evaluate z score for right side $\"\"$ .

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1. Select $\"\"$ .

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$\"\"$

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2. Enter area in decimals.

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$\"\"$

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3. Now press Enter in calculator to view answer.

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$\"\"$

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Therefore, interval that represents middle $\"\"$ of the data is $\"\"$ .

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$\"\"$

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Interval that represents middle $\"\"$ of the data is $\"\"$ .