40 questions
Reasoning: 36/40=0.9
Answer:
1, 2, 4
Step-by-step explanation:
Why is it necessary that researchers use randomization to assign each of the adults to a group?
- randomization ensures each group will be similar in everything except the time of day they are assigned to work
- randomization prevents the adults from selecting their own group
- randomization eliminates lurking variables from the experiment
- randomization prevents the researches from specifically assigning all adults who regularly stay up late to complete assigned tasks late at night
- randomization ensures that there will an equal number of adults in each group
Randomization ensures that there is no selection bias.
3) median and mode!
Explanation:
Median- 3,4,5,(5),7,9,19
Mode- 5 is repeated.
Answer:
230
Step-by-step explanation:
