844 Answered Questions for the topic Statistics Question
In a normally distributed set of data, the mean is 30 and the standard deviation is 5. Find the piece of data that has a z-score of -1.24
Express the original claim in symbolic form. Identify the null and alternative hypotheses
Mean of 600 hours, standard deviation of 70 hours. What percent will be from 600-740 hours, what percent under 600 hours, and what percent 390-670 hours.
The National Association of Realtors estimates that 23% of all homes purchased in 2004 were considered investment properties. If a sample of 800 homes sold in 2
In a regression anaylsis, if r2 = 1, which of the following are implied? a ) SSE = SST b) SSE = 1 c) SSR = SSE d) SSR = SST
Type I and II error with small sample size?
A fair die is rolled 12 times. Consider the following three possible outcomes:
WHAT ARE THE FOUR MAJOR COMPONENT OF STATISTICS?
I have a question about hypothesis testing with two population mean.
WHAT HYPOTHESIS TEST TO USE WITH NON-NUMERIC DATA?
Find the probability and interpret the results.
Find the indicated probability using the standard normal distribution. P(0<z<0.525)?
Find the z-scores for which 3% of the distribution's area lies between −z and z.?
victims recently exposed to radiation are 5.5, 6.2, and 4.8. Based on this observed data a 95% Confidence Interval for μ computed to two decimal places is
How to set up this stats problem
The probability that an individual has 20-20 vision is 0.1 in a class of 77 students, what is the probability of finding five people with 20-20 vison
scores on a SAT - statistics
Binomial stats problem help
been stuck with this stats problem for an Hour!!
52% of voters voted for Barack Obama. If a sample of 100 voters were polled, would it be unusual if less than 40% of them had voted for Barack Obama
a fashion designer wants to know how many new dresses women buy each year. Suppose a sample of 849 is drawn with x= 5.3. Assume standard deviation = 1.5.
For population, N = 11,000, mu =139, standard deviation = 15, find z value for x =128.60 for n= 64