what is the standard deviation of this table
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Table 1: Summary statistics of the extra sodium content (%) in the thirty samples
Min. : 0.14 1st Qu.: 1.17 Median : 2.13 Mean : 2.4813 3rd Qu.: 3.86 Max. : 5.22 SD = 1.6156 
 Specify the following:
 random variable of interest
 parameter of interest (Symbol for the parameter)
 statistic you would use to estimate parameter
This is a statistic practice quiz answer please
This is a statistic practice quiz answer please
This is a statistic practice quiz answer please
Hello this a statistics practice quiz
The percent of science students (other than students in Mathematics and Statistics) who are doing a minor in statistics is 20%. If 300 students are selected what is the approximate probability that a) more than 150 are taking a minor in statistics b) between 40 and 70 are taking a minor in statistics c) exactly 50 are taking a minor in statistics.
Some of the statements below refer to the null hypothesis, some to the alternate hypothesis.
Private universities' mean tuition cost is more than $20,000 per year.
total number of ways the top 4 races in a 20 person race can finish
The number of minutes spent reading in one day is normally distributed with a mean of μ = 23 and a standard deviation of σ = 5. How much time would you have to spend reading in a day to find yourself in the top 10% of readers?
keywords for a research study on veganism and vegetarians
I need help conducting a ztest for my assignment. The question states, "You want to determine if Canadians are nicer (less rude) than Americans. Americans 'niceness' score is µ=2.4 with a standard deviation of 1.6. You get a sample of n=36 Canadians to complete the same niceness questionnaire. You calculate descriptive statistics for your sample as M=2.9 and s=1.9. As this is exploratory research, use an alpha of .10. Conduct a ztest on the information above. Make sure to note: 1.) the formula, 2.) the null and alternative hypothesis, 3.) the critical value, 4.) calculate the result (show calculation in case of error), 5.) What is the statistical decision, 6.) What does this mean in plain english?"
Thanks for the help!
people from the phone book and asks them to answer a long series of questions.
(a)

Compute the probability of randomly selecting
a
diamond
or
club.

(b)

Compute the probability of randomly selecting
a
diamond
or
club
or
spade.

(c)

Compute the probability of randomly selecting
a
four
or
club.

Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15.