Topic
Q:
Which of the following is the \( t \)-test in which the entire critical value is placed in either the upper/positive or
lower/negative tail, in other words, there is only one critical value of the test statistic?
(A) One-tailed test
(B) Two-tailed test
(C) Normal test
(D) \( z \) test
Q:
5. Dos grupos A y B de 500 personas, cada una, presenta la misma sintomatologia. Al grupo A se le da
una droga que contiene un nuevo compuesto y la droga del grupo B carece de él. Pur otra parte, los
grupos son tratados idénticamente. Si encontramos que en el grupo \( \mathrm{A}, 375 \) personas se recobran de
la enfermedad y en el B, 325 , pruebe la hipótesis de que la droga aplicada al grupo A es mejor que
la del B, (Nivel del \( 5 \% \) ).
Q:
You have a pair of samples. The selection of subjects into one sample does not affect or affected by the selection of
subjects into the other sample are known as...
(A) Random samples
(B) Independent samples
(C) Dependent samples
(D) Paired samples
Q:
At test with the alternative hypothesis \( H_{1}: \mu_{1} \neq \mu_{2} \) would be a one-talled test.
(A) True
B False
(Clearselection
Q:
In SPSS, if a researcher or student mistakenly used a dependent samples t test when an independent samples test
was more appropriate, the software would alert the individual to the mistake with a standard error message.
(A) True
B) False
Q:
The formula \( \mathrm{df}=\mathrm{N}_{\text {pairs }}-1 \) is used to calculate the degrees of freedom with
dependant samples
Blank 1 dependant samples
Q:
You want to test this hypothesis. Men smoke more than women.
Your variables are: Gender (Male, Female); No of Cigarettes per Day
Which statistical test you should choose?
A. Chi Square
B) Independent Samples t-test
(C) Frequency Distribution
(D) Crosstabs and Clustered Bar Charts
Q:
Question 8
You are conducting an experiment. You have an experimental group and a control group but you are unable to use
random assignment to create those groups? Which test design you could use?
A) Independent samples
(B) Random samples
(C) Multiple measures
(D) Matched-pairs
Q:
Which of the following is a type of \( t \) test?
(A) A three-sample \( t \) test
(B) Adependent samples \( t \) test
(C) A random samples \( t \) test
(D) A dependent population t test
Q:
The t test is considered an appropriate test for use with continuous dependent variables.
(A) True
(B) False
Ask Tutors
Ask AI
10x
Fastest way to Get Answers & Solutions
By text
Enter your question here…
By image
Re-Upload
Uploaded Files
xxxx.png0%
Submit
