Question
In: Statistics and Probability
In a psychology experiment, 24 previously unacquainted adults were asked to line up against a wall....
In a psychology experiment, 24 previously unacquainted adults were asked to line up against a wall. The arrangement according to gender (m= male, f = female) was as follows:
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Do the data provide sufficient evidence at α=0.05 significance level to indicate a lack of randomness?
Stating which test was used would be very helpful, thanks!
Solutions
orchestra answered 1 year agoRelated Solutions
Two thousand randomly selected adults were asked if they are in favor of or against cloning....
Two thousand randomly selected adults were asked if they are in
favor of or against cloning. The following table gives the
responses.
In
Favor
Against
No Opinion
Male
395
405
92
Female
300
680
128
A.If one person is selected at random from these 2000 adults,
find the probability that is person is in favor of cloning.
B.If one person is selected at random from these 2000 adults,
find the probability that is person is against cloning
C.If one...
Assume that adults were randomly selected for a poll. They were asked if they "favor or...
Assume that adults were randomly selected for a poll. They were
asked if they "favor or oppose using federal tax dollars to fund
medical research using stem cells obtained from human embryos." Of
those polled, 485 were in favor, 402 were opposed, and 125 were
unsure. A politician claims that people don't really understand the
stem cell issue and their responses to such questions are random
responses equivalent to a coin toss. Exclude the 125 subjects who
said that they...
Assume that adults were randomly selected for a poll. They were asked if they "favor or...
Assume that adults were randomly selected for a poll. They were
asked if they "favor or oppose using federal tax dollars to fund
medical research using stem cells obtained from human embryos." Of
those polled,489 were in favor, 395 were opposed, and 115 were
unsure. A politician claims that people don't really understand
the stem cell issue and their responses to such questions are
random responses equivalent to a coin toss. Exclude the 115
subjects who said that they were...
Assume that adults were randomly selected for a poll. They were asked if they "favor or...
Assume that adults were randomly selected for a poll. They were
asked if they "favor or oppose using federal tax dollars to fund
medical research using stem cells obtained from human embryos." Of
those polled, 488 were in favor, 402 were opposed, and 117 were
unsure. A politician claims that people don't really understand
the stem cell issue and their responses to such questions are
random responses equivalent to a coin toss. Exclude the subjects
who said that they were...
Assume that adults were randomly selected for a poll. They were asked if they "favor or...
Assume that adults were randomly selected for a poll.
They were asked if they "favor or oppose using federal tax dollars
to fund medical research using stem cells obtained from human
embryos." Of those polled, 488 were in favor, 399 were opposed,
and 121 were unsure. A politician claims that people don't really
understand the stem cell issue and their responses to such
questions are random responses equivalent to a coin toss. Exclude
the 121 subjects who said that they...
Assume that adults were randomly selected for a poll. They were asked if they "favor or...
Assume that adults were randomly selected for a poll. They were
asked if they "favor or oppose using federal tax dollars to fund
medical research using stem cells obtained from human embryos." Of
those polled,
483483
were in favor,
402402
were opposed, and
115115
were unsure. A politician claims that people don't really
understand the stem cell issue and their responses to such
questions are random responses equivalent to a coin toss. Exclude
the
115115
subjects who said that they...
Assume that adults were randomly selected for a poll. They were asked if they "favor or...
Assume that adults were randomly selected for a poll. They were
asked if they "favor or oppose using federal tax dollars to fund
medical research using stem cells obtained from human embryos." Of
those polled,
484484
were in favor,
395395
were opposed, and
118118
were unsure. A politician claims that people don't really
understand the stem cell issue and their responses to such
questions are random responses equivalent to a coin toss. Exclude
the
118118
subjects who said that they...
Assume that adults were randomly selected for a poll. They were asked if they "favoror oppose...
Assume
that adults were randomly selected for a poll. They were asked if
they "favoror oppose using federal tax dollars to fund medical research
using stem cells obtained from human embryos."Of those polled,490were
in favor,396were opposed,and
123were unsure.
A politician claims that people don'treally understand
the stem cell issue and their responses to such questions are
random responses equivalent to a coin toss. Exclude the
123subjects who
said that they were unsure,and use a
0.05
significance level
to test the...
A random sample of 100 adults were surveyed, and they were asked if the regularly watch...
A random sample of 100 adults were surveyed, and they were asked
if the regularly watch NFL games. They were asked in
their favorite team had ever won the Super Bowl.
Won Super Bowl
Did not win Super Bowl
Row total
Watch
games
24
56
80
Do not
watch games
11
9
20
Column
total
35
65
100
Find:
a) P(watch NFL games given their favorite team won the Super
Bowl)
b) P(favorite team won the Super Bowl and watch NFL...
A simple random sample was conducted of 1405 Canadian adults. They were asked whether they were...
A simple random sample was conducted of 1405 Canadian adults.
They were asked whether they were in favor of tighter enforcement
of tobacco laws. Of the 1405 adults, 1060 responded yes. Obtain a
95% confidence interval for the
proportion of Canadian adults who are in favor of
tighter enforcement of tobacco laws.
Of 15, 344 Virginians tested for COVID-19 in March of 2020,
1,484 had positive or presumptive positive results for the virus.
Assuming the other 49 states had results...
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