Question
In: Statistics and Probability
A study examined whether the content of TV shows influenced the ability of viewers to recall...
A study examined whether the content of TV shows influenced the ability of viewers to recall brand names in commercials. The researchers randomly assigned volunteers to watch one of three programs, each containing the same eight commercials. The shows were either violent, sexual, or neutral. Afterwards, the subjects were asked to recall the brands of the advertised products. Results are in the accompanying table. Use the table to complete parts a) and b) below.
Violent Sexual Neutral
| No. of subjects | 101 | 100 | 101 |
| Mean | 2.62 | 2.76 | 4.05 |
| SD | 1.78 | 2.02 | 1.74 |
Determine the t-statistic.
2) Find the degrees of freedom.
3) Find the p-value
Do you reject or fail to reject the null hypotheses?
4) Find a 90% confidence interval for the difference, in mean number of brand names remembered between the groups watching shows with violent content and those watching sexual shows. Interpret your interval in this context.
5) Find the overserved difference of means.
Solutions
orchestra answered 2 years agoRelated Solutions
A study examined whether the content of TV shows influenced the ability of viewers to recall...
A study examined whether the content of TV shows influenced the
ability of viewers to recall brand names in commercials. The
researchers randomly assigned volunteers to watch one of three
programs, each containing the same eight commercials. The shows
were either violent, sexual, or neutral. Afterwards, the subjects
were asked to recall the brands of the advertised products. Results
are in the accompanying table. Use the table to complete parts a)
and b) below.
Violent Sexual
Neutral
No. of...
A study examined whether the content of TV shows influenced the ability of viewers to recall...
A study examined whether the content of TV shows influenced the
ability of viewers to recall brand names in commercials. The
researchers randomly assigned volunteers to watch one of three
programs, each containing the same eight commercials. The shows
were either violent, sexual, or neutral. Afterwards, the subjects
were asked to recall the brands of the advertised products. Results
are in the accompanying table. Use the table to complete parts a)
and b) below. a) Is there a significant difference...
A study looked at if TV show content influenced the ability of watchers to remember brand...
A study looked at if TV show content influenced the
ability of watchers to remember brand names of items in
commercials. Researchers randomly assigned volunteers to watch one
of three programs, each containing the same nine commercials. After
the show ended, the volunteers were asked to remember the brands of
products that were advertised. Below shows how many of the nine
commercials the volunteers remembered correctly:
Program | Size | Mean | SD
Violent | 108 | 2.08 | 1.87...
Recall in our discussion of the normal distribution the research study that examined the blood vitamin...
Recall in our discussion of the normal distribution the research
study that examined the blood vitamin D levels of the entire US
population of landscape gardeners. The intent of this large-scale
and comprehensive study was to characterize fully this population
of landscapers as normally distributed with a corresponding
population mean and standard deviation, which were determined from
the data collection of the entire population. Suppose you are now
in a different reality in which this study never took place though...
Recall in our discussion of the normal distribution the research study that examined the blood vitamin...
Recall in our discussion of the normal distribution the research
study that examined the blood vitamin D levels of the entire US
population of landscape gardeners. The intent of this large-scale
and comprehensive study was to characterize fully this population
of landscapers as normally distributed with a corresponding
population mean and standard deviation, which were determined from
the data collection of the entire population. Suppose you are now
in a different reality in which this study never took place though...
Recall in our discussion of the normal distribution the research study that examined the blood vitamin...
Recall in our discussion of the normal distribution the research
study that examined the blood vitamin D levels of the entire US
population of landscape gardeners. The intent of this large-scale
and comprehensive study was to characterize fully this population
of landscapers as normally distributed with a corresponding
population mean and standard deviation, which were determined from
the data collection of the entire population.
Suppose you are now in a different reality in which this study
never took place though...
Recall in our discussion of the normal distribution the research study that examined the blood vitamin...
Recall in our discussion of the normal distribution the research
study that examined the blood vitamin D levels of the entire US
population of landscape gardeners. The intent of this large-scale
and comprehensive study was to characterize fully this population
of landscapers as normally distributed with a corresponding
population mean and standard deviation, which were determined from
the data collection of the entire population. Suppose you are now
in a different reality in which this study never took place though...
Recall in our discussion of the normal distribution the research study that examined the blood vitamin...
Recall in our discussion of the normal distribution the research
study that examined the blood vitamin D levels of the entire US
population of landscape gardeners. The intent of this large-scale
and comprehensive study was to characterize fully this population
of landscapers as normally distributed with a corresponding
population mean and standard deviation, which were determined from
the data collection of the entire population.
Suppose you are now in a different reality in which this study
never took place though...
Recall in our discussion of the normal distribution the research study that examined the blood vitamin...
Recall in our discussion of the normal distribution the research
study that examined the blood vitamin D levels of the entire US
population of landscape gardeners. The intent of this large-scale
and comprehensive study was to characterize fully this population
of landscapers as normally distributed with a corresponding
population mean and standard deviation, which were determined from
the data collection of the entire population.
Suppose you are now in a different reality in which this study
never took place though...
Recall in our discussion of the binomial distribution the research study that examined schoolchildren developing nausea...
Recall in our discussion of the binomial distribution the
research study that examined schoolchildren developing nausea and
vomiting following holiday parties. The intent of this study was to
calculate probabilities corresponding to a specified number of
children becoming sick out of a given sample size. Recall also that
the probability, i.e. the binomial parameter "p" defined
as the probability of "success" for any individual, of a randomly
selected schoolchild becoming sick was given.
Suppose you are now in a different...
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