Question

The students in a typing class have a mean typing rate of 38.2 words per minute. Five randomly selected students have typing rates of 32, 28, 41, 38, and 45 words per minute.
What is the value of μ and x¯ ?


μ = 38.2 wpm, x¯ = 38.0 wpm


μ = 36.8 wpm, x¯ = 38.2 wpm


μ = 38.2 wpm, x¯ = 36.8 wpm


μ = 38.0 wpm, x¯ = 38.2 wpm

Answer 1

Answer:

µ = 38.2 wpm, = 36.8 wpm