Statıstıcs I (ENG)
Ünite Sınavı Soruları
- 20 soru
- Soru metinleri açık; şıklar ve cevap anahtarı uygulamada
- 1
According to the contingency table below, what are the percentage of male and female respectively within the people who do not have technical knowledge (No)?
- 2
Which of the following is the measurement of a magnitude without equal intervals?
- 3
The contingency table constructed between the smoking status and age of the participants is as follows.
Within the non-smokers, what is the percentage of participants under 30?
- 4
A researcher goes to a bus station and takes record of the number of people getting into a bus in that station everyday. Which type of data collection method is the researcher using?
- 5
The number of workers in a certain factory is given below. What is the cumulative frequency of of workers whose age is less than 50?
Age Range
Frequency
20-24
50
25-29
40
30-34
35
35-39
20
40-44
25
45-49
20
50-54
10
- 6
The above table contains the daily sales data of a market. We want to construct relative frequency distribution table for the data. What is the first class’ relative frequency?
- 7
The frequency distribution of the students’ weights was constructed as the following table. Consider the grouped data table, what is the ratio of the students whose weights are above 65?
- 8
According to the data set given in the following table, what constitutes the case for John?
- 9
An English teacher wants to look into the effect of a certain teaching strategy on learning. Which is NOT TRUE about her study?
- 10
Which of the following is true about relative frequency distribution table?
- 11
There are 85 people interviewed on their weekly salary. If the frequency for Class 2 is 21 what is the percentage of relative frequency?
- 12
What is the underlying reason of using closed-ended questions rather than open-ended question in many surveys?
- 13
Self-reported data for high school students is presented in the table above.
How many ordinal variables are in the dataset table above?
- 14
Which of the following is a nominal scale type data?
- 15
A university student who successfully completed the course filled out the assessment questionnaire about the lecturer. What type of research method is mentioned here?
- 16
- A researcher recorded the observed daily closing prices of several publicly traded common stocks for a financial study.
- A sales manager of a company conducted a research about purchases of a specific product of the company.
- A university student who successfully completed the course filled out the assessment questionnaire about the lecturer.
What are the correct definitions of the data collection methods given above?
- 17
An employee is given a survey where he is given three options like "Agree", "Undecided", and "Disagree". What type of responses does he need to give?
- 18
What are dependent (DV) and independent (IV) variables in a study to determine whether how long a student sleeps, studies, and solves the number of questions affects exam scores?
- 19
- the individuals included in the study might be aware of this
- observer must record the events correctly
- data could be obtained over an extended period of time
Which of the above is/are advantage(s) of observation method?
- 20
Which of the following is true about cumulative frequency distribution table?