3. It is an intelligent guess about the characteristics of a population. a. mean b. proportion c. hypothesis d. test statistic -4. Suppose we are interested in the average performance of a group of students in English test. Specifically, are interested in deciding whether or not the mean performance of the students is say for example, equal to Which of the following represents the null hypothesis of the given situation? a.Ho=85 b. Ha 285 c. The mean score in English of the students is greater than 85. d. The mean score of students in English is not 85. 5. From the situation in number 4, which of the following is the alternative hypothesis? a.Ho = 85 b. Ha 285 c. The mean score in English of the students is greater than 85. d. The mean score of students in English is not 85.
3. It is an intelligent guess about the characteristics of a population. a. mean b. proportion c. hypothesis d. test statistic -4. Suppose we are interested in the average performance of a group of students in English test. Specifically, are interested in deciding whether or not the mean performance of the students is say for example, equal to Which of the following represents the null hypothesis of the given situation? a.Ho=85 b. Ha 285 c. The mean score in English of the students is greater than 85. d. The mean score of students in English is not 85. 5. From the situation in number 4, which of the following is the alternative hypothesis? a.Ho = 85 b. Ha 285 c. The mean score in English of the students is greater than 85. d. The mean score of students in English is not 85.
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Answer only nos. 3,4,5,6,&7.
Answer directly. Show your solutions if necessary. Type only the only the answers, do not handwritten.
Transcribed Image Text:1. Which of the following is the test statistic to use when the sample data is less than 30?
X-11
a. t=
b. 2 ==
C.
d. t ZA
th
75
2. Which distribution applies If n230, population mean is known, and population standard deviation is
unknown?
a. X. distribution b. s-distribution
c. z-distribution
d. t-distribution
3. It is an intelligent guess about the characteristics of a population.
a. mean
b. proportion
c. hypothesis
d. test statistic
we
4. Suppose we are interested in the average performance of a group of students in English test. Specifically,
are interested in deciding whether or not the mean performance of the students is say for example, equal to
Which of the following represents the null hypothesis of the given situation?
85.
a.Ho=85
b. Ha 285
c. The mean score in English of the students is greater than 85.
d. The mean score of students in English is not 85.
5. From the situation in number 4, which of the following is the alternative hypothesis?
a.Ho = 85
b. Ha 285
c. The mean score in English of the students is greater than 85.
d. The mean score of students in English is not 85.
6. Which of the following statements is TRUE?
a. A null hypothesis is denoted by Ho.
b. In alternative hypothesis, the observations are the result of real effect plus chance variations.
c. The null hypothesis is the hypothesis of effect.
d. Alternative hypothesis is the theory that researchers believe not to be true and aims to prove it.
7. Calculate the test statistic given the following data: X = 11.1,μ = 10.6, o =
5.01, n = 50
a. 0.606
b. 0.706
C. 0.766
d. 0.607
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