8 lbs . Assuming that average refers to the mean, which of the following claims

ID: 3408934 • Letter: 8

Question

8 lbs. Assuming thataverage refers to the mean, which of the following claims must be true based on this information?

Note: More than one statement could be true. If none of the statements is true, mark the appropriate box.

Last month some of their patients lost more than 14 lbs.

Last month fewer than half of their patients lost

8 lbs or less.Last month all of their patients lost 8 lbs or more.

Two months ago at least one of their patients lost at least 8 lbs.

None of the above statements is true.

A weight-loss clinic advertised that last month its patients, on average, lost

8 lbs. Assuming thataverage refers to the mean, which of the following claims must be true based on this information?

Note: More than one statement could be true. If none of the statements is true, mark the appropriate box.

The advertisement is that last month its patients lost , on average 8 lbs.

That means it may be true that some of them lost more than 8 , some of them lost less than 8 and some exactly 8 lbs.

But we can not say that some of them exactly lost 8 lbs.

and similarly for the option b , c and d .

Hence none of the statements is true.

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