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What is the absolute value of negative two and five-tenths?

Answer:

The correct is 1. There is more variation in the science scores.

Step-by-step explanation:

Tyrell recorded his science scores and his math scores. The measures of center and variation for each score are shown in the table below.

Measures of Center and Variation for Tyrell’s       Science      Math

                         Mean                                                    78            80

                         Median                                                 80            80

                         Mode                                                    60            85

                         Range                                                   40            15

          Mean Absolute Deviation                                 14.4           4.0

The larger mean absolute deviation represent the greater variation.

Since the mean absolute deviation of science score is more than the math score, therefore There is more variation in the science scores.

Hence the correct option is 1.

Mean is the best measure of the typical score of both science and math because it includes all the values.

Therefore option 3 is incorrect.

Mean of science is 78 and median of science is 80.

Since 78≠80, therefore mean and median are not same.

Therefore option 4 is incorrect.

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