Gary wanted to determine the average height of boys at the high school. his older brother is on the basketball team, so he asked him to measure his teammates. after interpreting the results, gary determined the average height of a high-school-aged boy to be 6 feet, 1 inch. would you consider these results to be valid? yes, because only high-school boys were surveyed. yes, because the results were obtained randomly by measuring the boys basketball team. no, because boys on the basketball team are likely to be taller than the average high school boy. no, because there are no girls surveyed.

No, because boys on the basketball team are likely to be taller than the average high school boy.

Given is that Gary wanted to determine the average height of boys at the high school so he asked hid older brother who is in the basketball team to measure his teammates.

After interpreting the results, Gary determined the average height of a high-school-aged boy to be 6 feet 1 inch.

So, this result is not valid as only basketball team does not represent the whole population of the high school. The players are usually taller than normal kids.

So, the correct answer will be -

No, because boys on the basketball team are likely to be taller than the average high school boy.

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