subject
Mathematics, 30.03.2021 03:30 RyannLambertt7141

PLATO!! Please help! Cara belongs to a knitting group that meets at the local craft shop. From observations, she has hypothesized that people purchase knitting

needles only if they are also purchasing yarn.

To confirm her thinking, Cara surveyed five people who came into the shop at various times throughout the day and asked them about their

past purchases.

Which of these factors is the most likely to skew the results of Cara's observations?

А. The participants are not randomized.

B. The sample size is too small to represent the population,

C. People have to buy yarn at a craft shop.

D. A control group is needed for an observational study.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:40
Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)
Answers: 2
question
Mathematics, 21.06.2019 17:00
Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)
Answers: 1
question
Mathematics, 21.06.2019 21:00
Me! i will mark you brainliest if you are right and show your i don't get polynomials and all the other stuff. multiply and simplify.2x(^2)y(^3)z(^2) · 4xy(^4)x(^2)show your
Answers: 2
question
Mathematics, 22.06.2019 00:00
Which of these angles are supplementary? a. 100o and 90o b. 78o and 102o c. 54o and 146o d. 12o and 78o
Answers: 1
You know the right answer?
PLATO!! Please help! Cara belongs to a knitting group that meets at the local craft shop. From obse...
Questions