Answer:
The researcher has made a mistake chi-square statistic can never be negative
Step-by-step explanation:
Pearson's chi-squared test
Where
= Observed numbers
n = Number of observations
k = Mutually exclusive classes
= Probability of events
So, the value of χ² can never be negative otherwise χ value will be an imaginary number.
5
solve equation 180+92x= 250+78x
The answer is D
To solve the answer you would have needed to multiply the reciprocal of but in this case, Unvi multiplied with the reciprocal of 14.
530
200+6(55)
6x55=330
200+330=530