The national average for an 8th grade reading comprehension test is 73. a school district claims that its eighth-graders outperform the national average. in testing the school district's claim, how does one define the population parameter of interest?

a. the standard deviation of the score on the 8th grade reading comprehension test

b. the number of 8th graders that took the reading comprehension test

c. the proportion of 8th graders that scored above 73 on the reading comprehension test

d. the mean score on the 8th grade reading comprehension test

answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)

3/5

step-by-step explanation:

double number line is not a standard concept, so it must have been defined in your textbook. assume top line is numerator.

answer: 3.26019516

step-by-step explanation:

add the numbers under frequency to find the total number:

5 + 8 +7 + 4 + 0 +1 = 25

the answer is 25.