Statıstıcs I (ENG)
Ünite Sınavı Soruları
- 20 soru
- Soru metinleri açık; şıklar ve cevap anahtarı uygulamada
- 1
What is the level of measurement of times of day as "Dawn, Morning, Noon, Afternoon, Evening, Night"
- 2
What type of variable is your weight?
- 3
A researcher believes that playing piano is the explanation for increased mathematics academic success. In order to get an understanding on this, the researcher collected data by conducting a survey, asking elementary students his or her level of math ability (grades) and whether they play a piano or not.
Which of the following statements about the research is wrong?
- 4
Inflation rate, which compares the prices of a basket of products over time, is a _______ variable.
Which of the following correctly fills the blank above?
- 5
Which of the following do not constitute big data?
- 6
- Any person have free access to data in the world
- Data may be in form of text or numbers
- All observations can be reduced to some numerical quantity
Which of the above is true for data?
- 7
"Comparing the prices of a basket of products over time" is an example of .....?
- 8
A study was conducted to determine the effects of two different training programs on athletes. Sixty athletes were randomly assigned into two training programs each including 30 athletes. One group is given only coffee and water to drink before trainings while the other group is given only water to drink before trainings. After training programs, an assessment test was applied to the athletes. One month later, the group who had drunk coffee and water before the trainings progressed more than the group who only had drunk water before the trainings.
What do you think is the most acceptable conclusion of this experiment?
- 9
Your professor is surveying you and asking your gender, hometown and branch. What form of data is s/he dealing with?
- 10Age is a _______ scale data. Which of the following options fills the blank in the above sentence in the most correct way?
- 11
What type of variable is a girl’s answer to a marriage offer?
- 12
Your body temperature changes through exercises.
What type of variable is it? - 13
Which of the following is not variable?
- 14
I- Students' GPAs
II-Political parties
III- Educational levelWhat type of variable are the ones described above?
- 15
- Commerce, especially online electronic commerce
- Finance, for example share prices on stock markets, all managed electronically
- Insurance, all the premiums, incidents, actuarial transactions in an insurance company
- Transport, for example in the airline industry, all the flights, all the passengers
Which of the above can be considered for big data?
- 16
I- IQ levels (intelligence scale)
II- Weights of newborn babies
III-Monthly Income
IV-Types of blood such as A, B, AB and O
V-Level of Agreement: yes, maybe, noIn which of the variables given above, the level of measurement is ratio?
- 17
Which of the following are not data?
- 18
A scientist is studying on the yearly average temperatures in Celsius in last 100 years. What measurement type is s/he studying on?
- 19
Which of the following matches is wrong?
- 20
A survey on married couples asked the following questions: "What is your gender? Woman or Man"
Which type of data requested in the question?