subject
Mathematics, 19.10.2019 02:30 QueenBlumple4443

Setting:

the city of valley grove is considering shortening the length of the school day. the school board hired mr. kent to do a survey to them decide what to do.

what i have to

a. mr. kent interviewed 54 students as they left the school. is this a random sample? explain.

b. mr. kent used this survey question: "should the lengthy school day, which now extends for 7.5 hours, be shortened to 6 hours? " is this question biased or fair? explain.

c. of the 54 responses he received, 51 were "yes." the rest were "no." what percent of the responses were "no"?

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 22.06.2019 00:30, ejones123
Select the correct answer. employee earnings per month($) 1 1,200 2 2,600 3 1,800 4 1,450 5 3,500 6 2,800 7 12,500 8 3,200 which measure of spread is best for the data in the table? a. range b. quartiles c. interquartile range d. mean absolute deviation
Answers: 2
image
Mathematics, 22.06.2019 01:00, AvaHeff
The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?
Answers: 2
image
Mathematics, 22.06.2019 01:20, GreenHerbz206
Given: δabc, m∠1=m∠2, d∈ ac bd = dc m∠bdc = 100º find: m∠a m∠b, m∠c
Answers: 2
image
Mathematics, 22.06.2019 05:30, kassidy49
Could someone me with this, ? : )
Answers: 1
You know the right answer?
Setting:

the city of valley grove is considering shortening the length of the school da...

Questions in other subjects:

Konu
English, 29.11.2019 02:31
Konu
Mathematics, 29.11.2019 02:31