subject
Mathematics, 23.07.2019 01:30 bheam12

Aresearcher posts a radio advertisement offering $35 in exchange for participation in a short study. the researcher accepts the first eight people who respond to the advertisement. which of the following statements is true about the sample? a.)it is a valid sample because the first eight people were selected to participate. b.)it is not a valid sample because it is not a random sample of the population. c.) it is a valid sample because money was offered to participants. d.) it is not a valid sample because it is only a short study.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 21:10
The equation |pl = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn? o o -2 2 oor 2 -2 or 2 o
Answers: 1
question
Mathematics, 21.06.2019 21:30
You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?
Answers: 2
question
Mathematics, 21.06.2019 21:30
Using elimination, what is -4x+2y=-12 4x+8y=-24
Answers: 1
question
Mathematics, 22.06.2019 02:30
Find a parametrization for the curve「and determine the work done on a particle moving along γ in r3 through the force field f: r^3--r^3'where f(x,y,z) = (1,-x,z) and (a) im (γ) is the line segment from (0,0,0) to (1,2,1) (b) im (γ) is the polygonal curve with successive vertices (1,0,0), (0,1,1), and (2,2,2) (c) im (γ) is the unit circle in the plane z = 1 with center (0,0,1) beginning and ending at (1,0,1), and starting towards (0,1,1)
Answers: 3
You know the right answer?
Aresearcher posts a radio advertisement offering $35 in exchange for participation in a short study....
Questions
question
Mathematics, 05.05.2020 16:10
Questions on the website: 13722367