Fifteen students took a statistics pre-test and post-test. The results are below (a score of 28 is considered a perfect score). Round your answers to the nearest tenth, if necessary. Student Pre-Test...

Fifteen students took a statistics pre-test and post-test. The results are below (a score of 28 is<br>considered a perfect score). Round your answers to the nearest tenth, if necessary.<br>Student Pre-Test Post-Test<br>1<br>22<br>11<br>28<br>3<br>9<br>18<br>4<br>4<br>24<br>5<br>10<br>25<br>6<br>11<br>16<br>7<br>9<br>19<br>8<br>9<br>20<br>9<br>7<br>18<br>10<br>8<br>14<br>11<br>16<br>12<br>15<br>26<br>13<br>12<br>21<br>14<br>14<br>15<br>13<br>(a) Find the range of the pre-test scores.<br>(b) Find the standard deviation for the pre-test scores.<br>(c) Find the range of the post-test scores.<br>(d) Find the standard deviation for the post-test scores.<br>00<br>

Extracted text: Fifteen students took a statistics pre-test and post-test. The results are below (a score of 28 is considered a perfect score). Round your answers to the nearest tenth, if necessary. Student Pre-Test Post-Test 1 22 11 28 3 9 18 4 4 24 5 10 25 6 11 16 7 9 19 8 9 20 9 7 18 10 8 14 11 16 12 15 26 13 12 21 14 14 15 13 (a) Find the range of the pre-test scores. (b) Find the standard deviation for the pre-test scores. (c) Find the range of the post-test scores. (d) Find the standard deviation for the post-test scores. 00

Jun 07, 2022

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Fifteen students took a statistics pre-test and post-test. The results are below (a score of 28 is considered a perfect score). Round your answers to the nearest tenth, if necessary. Student Pre-Test...

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