4. What kind of parameter is applied in the sitvation! "The mean height of all Grade II students is 170 cm .
A. mean B. Variance C.proportion D.Standord deviation
5. An education official wants to estimate the proportion of adults aged is and above who had read at least one book during the previous year. A random sample of 1,00 , aduts aged 18 or older is uptained, and 835 of those adults had read at lexit one book doring the previous year. Petermine the parameter in the situation.
A. The parameter is the \( \$ 35 \) adults.
B. The parameter is the average of adulk yed is and abov. C. The paramater is the proportion of adults who hod read at least one book during the previvus year.
D. The parameter is the random sample of 100 e adults 18 and above who had read a book in the previous years.
6. Which of the following denotes the true value that would be obtained it a cencus rather than a sample was undertaken? A. Sample B.Statistic C.Parameter P.Population
7. Which of following is NOT a parameter? A.O \( B \leq \) C.J. D.P
8. Which of fotowing symbod is used for population variance? A. \( \leq \) B. \( \theta^{2} \) C. \( \theta \) D. M