Answer:
chi-square
Step-by-step explanation:
According to the given situation, Chi-square statistic would be considered for as we have to determine whether working hours and smoking are attached with each other or not.
To know whether working hours based on smoking or there is an important relationship between both- So Chi-square statistic would be used
Therefore the test that should be used is chi-square
Answer:
-7
Step-by-step explanation:
Given data
Tina's problem is
-16 - (-9)
Firstly let her open up the bracket
Note - * -= +
-16+9
Secondly, Rearrange
9-16= -7
Hence the answer is -7
the answer is the third one
A dependent variable is a variable whose value depends upon an independent variable. A dependent variable is what is being measured in an experiment and or evaluated in a mathematical equation. And you can identify an independent variable pretty easily since its variation does not depend on another.
Answer:
C
Step-by-step explanation:
14 : 16
7 : 8
boys : girls