Question

a random sample of students was surveyed and asked to list their grade level and whether or not they have a pet. results are shown in the table below, but some values are missing. fill in the missing values.

pets survey

	pets	no pets	total
7th grade		12	24
8th grade		17	34
total

Explanation:

Step1: Find 6th - grade students with pets

Use the formula \(Pets = Total - No\ Pets\). For 6th - grade, \(43−28 = 15\).

Step2: Find 7th - grade students with pets

Use the formula \(Pets = Total - No\ Pets\). For 7th - grade, \(24−12 = 12\).

Step3: Find 8th - grade students with pets

Use the formula \(Pets = Total - No\ Pets\). For 8th - grade, \(34−17 = 17\).

Step4: Find total number of students with pets

Sum the number of students with pets in each grade: \(15 + 12+17=44\).

Step5: Find total number of students without pets

Sum the number of students without pets in each grade: \(28 + 12+17 = 57\).

Step6: Find total number of students

Sum the total number of students in each grade: \(43+24 + 34=101\).

Answer:

	Pets	No Pets	Total
7th grade	12	12	24
8th grade	17	17	34
Total	44	57	101