statistics
posted by Carrie .
A sample of n=5 scores has a mean 50. Another sample has n=10 scores and a mean of 60. If the two samples are combined, will the combined sample mean be greater than 55
Respond to this Question
Similar Questions

Statistics
For a population with a mean of (mew) = 50 and a standard deviation of 10, how much error, on average, would you expect between the sample mean (M) and the poulation mean for: a) a sample of n=4 scores b) a sample of n=16 scores c) … 
Statistics
One sample of n=20 scores has a mean of M=50. A second sample of n=5 scores has a mean of Mean=10. If the two samples are combined, what is the mean 
statistics
a distribution of scores has 6, but the value of the mean is unknown, a researcher plans to select a sample from the population in order to learn more about the unknown mean, if the sample consist of n= 9 scores , how accurately should … 
probability and statistics
a population forms a normal distribution with a mean of u=80 and a standard deviation of o=15. for each of the following samples, compute the zscore for the sample mean and determine whether the sample mean is a typical, representative … 
statistics
IQ scores are normally distributed with a mean of 105 and a standard deviation of 18. Assume that many samples of size n are taken form a large population of people and the mean IQ score is computed for each sample. If the sample size … 
Statistic
For a population with a mean of μ 70 and a standard deviation of 20, how much error, on average, would you expect between the sample mean (M) and the population mean for each of the following sample sizes? 
Math
I need help with this these two problem PLEASE!!! For a population with a mean of μ 80 and a standard deviation of 12, find the zscore corresponding to each of the following samples. a. M 83 for a sample of n 4 scores … 
stats
sample of n=64 scores is obtained from population with standard deviation =15 sample mean is 10 pts greater than the poulation mean what is zscore for sample mean 
Statistics
For a population with a mean of µ=60 and standard deviation of Ợ=24, find the z=score corresponding to each of the following samples a. M=63 for sample of n=16 scores b. M=63 for sample of n=36 scores c. M=63 for sample of n=64 … 
please help
In a study about children’s pocket money, two samples of schoolchildren were asked how much money they received each week. In one sample, of size 25, the mean is £6.00. In the other sample, of size 43, the mean is £9.21. Calculate …