Mathematics, 29.12.2019 13:31 brooklynunderwood46
Luc randomly selected 40 students and asked them whether they had ever gone snowboarding. he repeated this survey using the same method three more times.
do any of the surveys appear to be biased?
ever gone snowboarding? survey
1 2 3 4
yes 10 13 2 12
no 30 27 38 28
a.
yes, because the results from survey 3 differ significantly from results from surveys 1, 2, and 4, which agree.
b.
yes, because all four surveys do not have identical results.
c.
no, because although the results differ among the four surveys, the sample method used for all was the same.
d.
no, because all four surveys have about the same number of people saying βyesβ and about the same number of people saying βno.β
Answers: 2
Mathematics, 21.06.2019 19:00
What numbers are included in the set of integers? what numbers are not included?
Answers: 2
Mathematics, 21.06.2019 22:00
Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to β2{x: x = β2, β1, 0, 1, 2}{y: y = β2, β1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to β2{x: x = β2, β1, 0, 1, 2}{y: y = β2, β1, 0, 1, 2}.
Answers: 1
Mathematics, 21.06.2019 23:00
700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?
Answers: 1
Mathematics, 21.06.2019 23:40
The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?
Answers: 1
Luc randomly selected 40 students and asked them whether they had ever gone snowboarding. he repeate...
History, 17.12.2020 21:20
Mathematics, 17.12.2020 21:20
Chemistry, 17.12.2020 21:20
English, 17.12.2020 21:20
Mathematics, 17.12.2020 21:20
Mathematics, 17.12.2020 21:20
Geography, 17.12.2020 21:20
Arts, 17.12.2020 21:20
History, 17.12.2020 21:20