Given the sample size and the population standard deviation, compute for the standard error of the mean. ๐ = 5 , ๐ = 30
13.42
Given mean ๐ = 100, and the standard deviation ๐ = 15, what will be the actual score of ๐ฅ that corresponds to the following standard score?
115
It is also known as numerical data, and its sizes are relevant in answering questions such as โhow muchโ or โhow manyโ.
QUANTITATIVE
If z-score = -1.27, what is the area under the normal curve?
z = 1020
In using the z-table, which percentage is related to the left of ๐ง = 1.50?
93.32%
If z-score = -3.15, what is the area under the normal curve?
z = 0.0008
If z-score = 0.74, what is the area under the normal curve?
z = 0.7704
What formula is used to convert a standard normal variable ๐ง to a normal random variable ๐ฅ?
Answer will be written on the board.
It is a subset taken from a population, either by random or nonrandom sampling techniques.
SAMPLE
What percentage of the total area under the normal curve is within one standard deviation from the mean?
68%
If z-score = 2.14, what is the area under the normal curve?
z = 0.9838
In a probability distribution, what is the sum of the probabilities of all possible outcomes?
1
What formula represents the standard error of the sampling distribution of the sample mean?
Answer will be written on the board.
What is the mean value of the given table?
1
What can you conclude about the shape of the sampling distribution of the sample mean when the sample size is large?
It approaches a normal distribution.
Which theorem states that the sampling distribution of the mean approaches a normal distribution as the sample size increases?
CENTRAL LIMIT THEOREM
If two coins are tossed once, which is NOT a possible value of the random variable for the number of heads? 0,1,2, or 3?
3
If z-score = -0.64, what is the area under the normal curve?
z = 0.2611
Mr. Carreon writes the name of all senior high school students on small pieces of paper. He rolls and puts them in a box and then draws 500 names as respondents in his study.
SIMPLE/LOTTERY
Express a categorical attribute, rather than relying solely on numerical values to answer queries like โwhat kindโ.
QUALITATIVE
Given the sample size and the population standard deviation, compute for the standard error of the mean. ๐ = 8 , ๐ = 40
14.14
What is the measure of mean or variance of sample called?
STATISTIC
If z-score = 3.08, what is the area under the normal curve?
z = 0.9990
Which refers to the long-term average or expected value of repeatedly conducting an experiment?
Mean
In a normal distribution, which represents the center of the distribution where the curve is symmetrical?
Mean, Median, and Mode
What kind of random variable may be classified as discrete or continuous?
QUANTITATIVE
What is the measure of mean or variance of population called?
PARAMETER
It refers to the entire group that is under study or investigation
POPULATION
If a population has a mean of 7.8, what is the mean of the sampling distribution of its mean?
7.8
The principal creates a list of all senior high school students. He decides to include every tenth student in his samples.
SYSTEMATIC