1. A medical trial is conducted to test whether or not a new medicine reduces uric acid by 50%. Hà: ____________________________________________________ Hò: ____________________________________________________ 2. We want to test whether the general average of students in Math is different from 80%. Hà: ____________________________________________________ Hò: ____________________________________________________ 3. We want to test whether the mean height of Grade 8 students is 58 inches. Hà: ____________________________________________________ Hò: ____________________________________________________
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
1. A medical trial is conducted to test whether or not a new medicine
reduces uric acid by 50%.
Hà: ____________________________________________________
Hò: ____________________________________________________
2. We want to test whether the general average of students in Math is
different from 80%.
Hà: ____________________________________________________
Hò: ____________________________________________________
3. We want to test whether the mean height of Grade 8 students is 58
inches.
Hà: ____________________________________________________
Hò: ____________________________________________________
4. We want to test if LPIHS students take more than four years to graduate
from high school, on the average.
Hà: ____________________________________________________
Hò: ____________________________________________________
5. We want to test if it takes less than 60 minutes to answer the quarterly
test in Calculus.
Hà: ____________________________________________________
Hò: ____________________________________________________
6. A medical test is conducted to determine whether or not a new vaccine
reduces the complications of dengue fever.
: ____________________________________________________
: ____________________________________________________
7. The enrolment in high school this school year increases by 10%.
: ____________________________________________________
: ____________________________________________________
8. The intelligence quoti
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