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If a normal distribution has a small standard deviation as compared to the mean, what will be its shape? If the distribution has a large standard deviation as compared to the mean, what will be its shape? What does this tell you? Why is this important? Provide some examples.
Compute the median and store it in the R variable val. Repeat this process 5000 times. You can use the R command for(i in 1:5000) val[i]=median(rbinom(20,6, 0.9)).
suppose that a person who has recently helped start a band for the first time is randonly selected. the probability
A cereal manufacturer seeks to test their newest product against competitor's. A group of 100 children was asked to measure each brand, and then to express a preference.
it is known that 60 of all students at a large university are female. a random sample of 8 students is selected.
This question relates to Basic Statistics and it discuss about how the subject of statistics and its application can be misleading or can be misused. This has been explained with examples
Combining all of the games played, what proportion did the Yankees win? Compute the z statistic and its P-value. What conclusion do you draw?
a moderate wind accelerates a pebble over a horizontal xy plane with a constant acceleration a 5.00 ms2i 7.00ms2j. at
A Regression to predict sodium content from calories had a correlation of r = 0.8781. The calories averaged 168 calories, with a standard deviation of 28.6 and the sodium content averaged 422 mg, with a standard deviation of 114 mg.
As soon as one component fails, the entire system will fail. Suppose each component has a lifetime that is exponentially distributed with λ = .01 and that components fail independently of one another.
From these sample results, and using the 0.05 level of significance, what conclusion would the student reach with regard to the bank manager's claim?
A sample of 36 packages reveals the mean weight to be 3.01 pounds, with a standard deviation of 0.03 pounds. What is the estimated population mean?
for a daily lottery a person selects a three digit number using the numbers from 0 to 9. numbers may be repeated. if
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