SHS-LAMP2-STATISTICS-Q4-SY2021-2022

Quiz by MARITESS ZARA

Statistics and Probability
Philippines Curriculum: SHS Core Curriculum Subjects

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### Measures 15 skills fromGrade 11/12Statistics and ProbabilityPhilippines Curriculum: SHS Core Curriculum Subjects

M11/12SP-IVa-1
M11/12SP-IVb-1
M11/12SP-IVb-2
M11/12SP-IVc-1
M11/12SP-IVd-1
M11/12SP-IVd-2
M11/12SP-IVf-2
M11/12SP-IVf-1
M11/12SP-IVg-4
M11/12SP-IVg-2
M11/12SP-IVh-1
M11/12SP-IVh-2
M11/12SP-IVi-1
M11/12SP-IVi-3
M11/12SP-IVj-1

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45 questions
• Q1

What is referred as an assumption regarding the population parameter that is assumed to be true?

alternative hypothesis

process

null hypothesis

decision

30s
M11/12SP-IVa-1
• Q2

Which of the following statement is NOT true on hypothesis testing?

Assumptions should be expressed into two opposing statements.

A second statement is needed to be proven as true.

Alternative statement must be conformed with the null hypothesis.

A null hypothesis is a statement that needs to be tested.

30s
M11/12SP-IVa-1
• Q3

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?

He concludes the volume is not 355 ml, when actually it is.

He concludes the volume is not 355 ml, when actually it is not

He concludes the volume is 355 ml, when actually it is.

He concludes the volume is 355 ml, when actually it is not.

30s
M11/12SP-IVa-1
• Q4

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?

He concludes the volume is not 355 ml, when actually it is.

He concludes the volume is not 355 ml, when actually it is not.

He concludes the volume is 355 ml, when actually it is

He concludes the volume is 355 ml, when actually it is not.

30s
M11/12SP-IVa-1
• Q5

Which of the following is utilized as a safeguard not to commit a Type I error?

type II error

acceptance region

rejection region

level of significance

30s
M11/12SP-IVa-1
• Q6

The symbol for the population mean is

σ

σ2

µ

30s
M11/12SP-IVb-1
• Q7

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?

µ ≠ 72

µ < 72

µ > 72

µ = 72

30s
M11/12SP-IVb-1
• Q8

If the alternative hypothesis on no. 7 problem will be µ > 72, it means

The intervention is effective

The intervention is not effective

The intervention results just as par with the usual method.

The intervention has a fair result

30s
M11/12SP-IVb-1
• Q9

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.

computed value

variance

critical value

mean

30s
M11/12SP-IVb-2
• Q10

In a problem where t-test should be used, what is its degree of freedom if the sample size is 11?

-10

-11

11

10

30s
M11/12SP-IVb-2
• Q11

Which of the following sample size is NOT possible when the Central Limit Theorem is applied?

35

50

100

11

30s
M11/12SP-IVc-1
• Q12

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

Hypothesis Testing

Null Hypothesis

None of the above

Alternative Hypothesis

30s
M11/12SP-IVd-1
• Q13

Given: X = 120,µ = 110, µ= 15, n = 500. State the null and alternative hypotheses at two-tailed test.

H0: µ ≠ 110, Ha: µ≠ 110

H0:µ = 110, Ha: µ < 110

H0: µ = 110, Ha: µ ≠ 110

H0: µ = 110, Ha: µ > 110

30s
M11/12SP-IVd-1
• Q14

It is a decision-making process for evaluating whether the null hypothesis should be rejected.

Confidence level

Critical test

Significance level

Statistical test

30s
M11/12SP-IVd-1
• Q15

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 ____________________.

directional region

critical region

null hypothesis region

nondirectional region

30s
M11/12SP-IVd-2

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