Answer: 
test statistic.
Step-by-step explanation:
The chi-square ( ) test is a non-parametric statistical test(also known as Goodness of fit test) which is used to determine if a distribution of observed frequencies differs from the expected frequencies.
Chi-square statistic uses either nominal (categorical) or ordinal level data.
Hence, When determining how well an observed set of frequencies fits an expected set of frequencies, the test statistic is test statistic.
70 is the answer have a nice day
Might want to edit this question and add pictures:-)
Answer:
18
Step-by-step explanation:
just add them unless you have to find the numbers for the 2 little squares
1,126.25 hope this helped :)
