Sampling, statistics, Basic Statistics

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what are the methods of sampling

Normal distribution, Lifts usually have signs indicating their maximum capa...

Lifts usually have signs indicating their maximum capacity. Consider a sign in a lift that reads “maximum capacity 1400kg or 20 persons”. Suppose that the weights of lift-users are

Standard deviation, Standard Deviation: The standard deviation is a gauge o...

Standard Deviation: The standard deviation is a gauge of the variance, or dispersion, of the market return over its average returns. Thus Standard Deviation gives an insight of tot

Probability, what is an exclusive probability

what is an exclusive probability

I need to find what is wrong with this statement, the correlation between o...

the correlation between olympic gold medal times for the 1500 m run and year is -0.941 seconds per year

Joy, Ask questio How many women must be randomly selected to estimate the m...

Ask questio How many women must be randomly selected to estimate the mean weight of women in one age group? We want 90% confidence that the sample mean is within 3.7 lbs of the po

Calculate probability & population mean number -statistics , 1. Coal is car...

1. Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 36 tons of coal in each c

Measure central tendency, 1. A researcher is comparing two middle school 7t...

1. A researcher is comparing two middle school 7th grade classes. One class at one school has participated in an arts program (involving putting on a musical play) which emphasized

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Assignment, How much it will cost to get an assignment

How much it will cost to get an assignment

Definition of capital lease as a financial arrangement, Definition of capit...

Definition of capital lease in term of financial arrangement whereby a lessee pays rental for asset. Capital lease is a financial arrangement underlying a agreement where a lesse