10702439
Description
Standard error
- Middle bar always population mean
- SE = Does samples vary from population mean
- 2 samples from population may have differing SE
- Sampling error
- variation from population
- variation from population
- Is difference due to sample variation or manipulation
- For each sample there is a mean (circle in the middle) and an upper and lower interval (adjoining lines) which show how scores difference from population mean
- Samples whose upper interval and lower interval do not at all fall on population mean don't contain 'true value'
- Samples whose upper interval and lower interval do not at all fall on population mean don't contain 'true value'
- Middle bar always population mean
- SE = Does samples vary from population mean
- 2 samples from population may have differing SE
- Is difference due to sample variation or manipulation
- For each sample there is a mean (circle in the middle) and an upper and lower interval (adjoining lines) which show how scores difference from population mean
- Samples whose upper interval and lower interval do not at all fall on population mean don't contain 'true value'
- Samples whose upper interval and lower interval do not at all fall on population mean don't contain 'true value'
- SE is the standard deviation of a sampling distribution
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