Latisha's friend Brandee forgot to take a make-up test and had these scores: 80%,92%,91%,75%,89,84%,0%,and 85%

Question

anonymous · Answer

A. Calculate Brandees's mean. Does this mean score really represent her abilities? why or why not?

anonymous · Answer

A.  74.5%. No, because she consistently scores above 80%

tkhunny · Answer

There is nowhere near enough information to state that a single value represents a person's abilities.  It is highly unlikely that it is so.  Utterly silly question.

anonymous · Answer

Ok Um thanks

b.Brandee persuaded her teacher ,Ms. Juarez, to allow her to make up the missed test. Branded's score was 78% calculate her new mean
....Is her new mean 84%?

anonymous · Answer

Am I right ^-^?

anonymous · Answer

84.25% is the new mean, but do you round? I don't think so because it does not say that in the directions

anonymous · Answer

Oh Um no

anonymous · Answer

so u don't round :)

anonymous · Answer

c. What difference did the 0% score make? Does this new mean represent Brandee's  ability more accurately?

anonymous · Answer

It lowered her mean a lot. Yes

anonymous · Answer

Thank you! ^_^

anonymous · Answer

yeah u are so welcome :)