Tag | Value |
---|---|
file | Inferential_Statistics_uu-Effect-size-812-en_uu-Effect-size-812-en |
name | uu-Effect-size-812-en |
section | Inferential Statistics/Effect size |
type | schoice |
solution | FALSE, FALSE, FALSE, TRUE |
Type | Case |
Language | English |
Level | Statistical Literacy |
Ordinary light bulbs have an average life of 1600 hours with a standard deviation of 100 hours. The average lifetime of 100 randomly selected incandescent bulbs of brand X is 1800 hours. For the light bulbs of brand X, what is the effect size expressed in Cohen’s d?