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Estimate the standard Error of the Mean for both male and female subject at the 95% confidence Interval)
In a test of the hypothesis that a female flirt at others more than males do, females and male subjects were videotaped while interacting at a conference. During the conference the number of flirtatious actions/remarks observed by each sex was recorded. Using the following number of flirtations actions in the 4 hour period, test the "null hypothesis'
That there are no differences (between males and females) in the number of flirtatious remarks----- or is there??
Males
Females
18
25
21
29
23
24
28
12
16
If random sample of size n = 16 are selected, can we say anything about the xbar distribution of sample means?
Which test do we use to see if the difference in our sample is statistically significant? Why? Should it be one or two-tailed?
There is a statistical deception here. Explain what is deceptive about the bar graph.
Construct the following confidence intervals for your data set:
Compute the incidence proportion or the risk ratio that compares group 1 to group 0, and compute the Incidence proportion or the risk ratio which compares group 2 to group 0. Then post a summary of your findings.
What are the possible combinations of coins that Sanjay could have received in change?
A researcher wishes to forcast the proportion of fish in a perticular lake which is inedible due to pollution of the lake.
What does central limit theorem say about distribution of John's average payoff after 365 bets in a year?
What is the probability that all tree students pick a different card?
Using the data file below, construct a histogram and a frequency polygon. Describe the shape of this distribution.
An experiment was conducted to determine the effects of three different pesticides (P1,P2,P3) on the yield of three different varieties of citrus tree (V1,V2,V3).
Determine for each variable if it is the explanatory variable, the response variable, or whether it could be both.
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