
SHS-LAMP2-STATISTICS-Q4-SY2021-2022
Quiz by MARITESS ZARA
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What is referred as an assumption regarding the population parameter that is assumed to be true?
Which of the following statement is NOT true on hypothesis testing?
A soda factory claims that each bottle of their beverage drink has a volume of 355 ml all the time. A consumer representative inspector claimed that the factory’s beverage drink is not exactly filled at 355 ml. Under which of the following conditions would the inspector commit a Type I error?
A soda factory claims that each bottle of their beverage drink has a volume of 355 ml all the time. A consumer representative inspector claimed that the factory’s beverage drink is not exactly filled at 355 ml. Under which given conditions would the inspector commit a Type II error?
Which of the following is utilized as a safeguard not to commit a Type I error?
The symbol for the population mean is
After the evaluation exam, a section of 40 students produced a mean score of 72. She chose 18 students who got the lowest scores for an intervention. The teacher introduced a different strategy on the same lesson and gave a test whose questions are parallel to the first examination. This time the student got a mean score of 73.5. Is there enough evidence to prove that her new strategy improved the performance of her students?
If the alternative hypothesis on no. 7 problem will be µ > 72, it means
The value derived from the table defined by alpha(a) in which the computed test statistic will be compared in stating the decision rule for hypotheses testing.
In a problem where t-test should be used, what is its degree of freedom if the sample size is 11?
Which of the following sample size is NOT possible when the Central Limit Theorem is applied?
The hypothesis, denoted by H0, is a statement that there is no difference between a parameter and a specific value, or that there is no difference between two parameters
Given: X = 120,µ = 110, µ= 15, n = 500. State the null and alternative hypotheses at two-tailed test.
It is a decision-making process for evaluating whether the null hypothesis should be rejected.
The rejection region refers to the region where the value of the test statistic lies for which we will reject the null hypothesis. This region is also called ____________________.
When the alternative hypothesis utilizes the > or the < symbol, the test is said to be _____________________.
Given hypotheses: H0: µ = 88Ha: µ ≠ 88, Is the test two-tailed or one-tailed?
What is the purpose of hypothesis testing?
A social worker reports that 30% of workers in a factory are below 15 years old of age. Of the 120 employees surveyed, 38 said they were below 15 years old. Using µ = 0.05,What is the value of sample proportion ( p^ )?
A social worker reports that 30% of workers in a factory are below 15 years old of age. Of the 120 employees surveyed, 38 said they were below 15 years old. Using µ = 0.05,What is the value of sample proportion ( q^ )?
Which of the following statements is true when the null hypothesis rejected?
What is the value of alpha (a) for the 95% confidence level of a two-tailed test?
If in the z-test of proportions, the computed z is found on the rejection region then this means that:
Under the normal curve, the middle part represents
What kind of correlation is shown in the given graph?

Name the correlation in this sentence: The number of people in an audience and ticket sales.
Which scatter diagram shows most likely a positive correlation?

Which scatter plot below best describes the table of values for the number of hours studied and the test scores?
In terms of strength of association, how do you compare Scatter plot I with II?

What happens to variable X and Y when they are positively correlated?
What is a correlational research?
The measure of the linear correlation (dependence) between two variables X and Y, giving a value between +1 and −1 is called ______.
The closer the value of r is to 1 or -1, the _____ is the linear relationship between the two variables.
A plot of pairs of values of two variables in a rectangular coordinate plane displaying a relationship between the two variables.
Which of these most likely describes the correlation between grades in Math and Physics?
The closer the value of r is to 0, the ______ is the linear relationship between the two variables.
Does class attendance influence test scores? Identify the variables
It is also known as “The Line That Best Fit” or sometimes called “line predictor”
Given: Amount of MONEY EARNED and numbers of ice candy sold. Identify the variable written in capital letters.
If the regression line that will predict the midterm and final exam scores is y’ = 42.819 + 0.505x, what is the predicted final exam score of 60?
The equation of regression used in statistics is _____________.
A student conducted a survey between the Statistics grades of his classmates and the number of times they were absent in the subject. What is the independent variable?
Identify the dependent and independent variables
What are the slope and y- intercept if the equation of the regression line is y = 56.092x – 2.269?
If the equation of regression line is y = 97.83- 2.61x, predict the value of y if x = 3.