Question:
Consider the following hypothesis test:
\(Η_0: μ ≤ 20\)
\(Η_1 : μ > 20\)
A sample of 81 produced a sample mean of 20.55. The population standard deviation is 3. The value of the test statistic is:
Consider the following hypothesis test:
\(Η_0: μ ≤ 20\)
\(Η_1 : μ > 20\)
A sample of 81 produced a sample mean of 20.55. The population standard deviation is 3. The value of the test statistic is:
\(Η_0: μ ≤ 20\)
\(Η_1 : μ > 20\)
A sample of 81 produced a sample mean of 20.55. The population standard deviation is 3. The value of the test statistic is:
Updated On: May 21, 2024
- 1.85
- -2.05
- -2.15
- 1.65
Hide Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
The correct option is (D):
1.65
Was this answer helpful?
0
0
Top Questions on Mean, median, mode and standard deviation
- If the mode and mean of a data are 24 and 60 respectively, then the median of the data is
- AP POLYCET - 2024
- Mathematics
- Mean, median, mode and standard deviation
- If mean of 7, 2, 9, 4 and K is 5, then find the median of 12, 6, K, 9, 15
- CUET (PG) - 2023
- Mathematics
- Mean, median, mode and standard deviation
- Figure out the standard deviation (SD) for the following scores: 2, 4, 3 and 7 (Mean = 4).
- CUET (PG) - 2023
- Mathematics
- Mean, median, mode and standard deviation
- The mean of 50 items is 100. At the time of calculations, two items 80 and 190 were wrongly taken as 90 and 20. What is the correct value of the mean?
- CUET (PG) - 2023
- Mathematics
- Mean, median, mode and standard deviation
- Mean of 28, 30, 26, (K+6) and (K+1) is 25. Find the mean of 32, 39 and 2k
- CUET (UG) - 2023
- Mathematics
- Mean, median, mode and standard deviation
View More Questions
Questions Asked in CUET exam
- From the given options, which pass connects Jammu with Srinagar?
- CUET (UG) - 2024
- Static GK
- The corner points of the feasible region determined by $x + y \leq 8$, $2x + y \geq 8$, $x \geq 0$, $y \geq 0$ are $A(0, 8)$, $B(4, 0)$, and $C(8, 0)$. If the objective function $Z = ax + by$ has its maximum value on the line segment $AB$, then the relation between $a$ and $b$ is:
- CUET (UG) - 2024
- Linear Programmig Problem
- Match the words in List-I with their definitions in List-II :
List-I (Words) List-II (Definitions) (A) Theocracy (I) One who keeps drugs for sale and puts up prescriptions (B) Megalomania (II) One who collects and studies objects or artistic works from the distant past (C) Apothecary (III) A government by divine guidance or religious leaders (D) Antiquarian (IV) A morbid delusion of one’s power, importance or godliness Choose the correct answer from the options given below :- CUET (UG) - 2024
- Vocabulary
- Complete the sentences given in List-I with the appropriate prepositions given in List-II:
- Identify the correct sequence of the Selection process:
(A) Selection decision
(B) Employment interview
(C) Selection tests
(D) Reference checking- CUET (UG) - 2024
- Staffing
View More Questions