Statıstıcs I (ENG)
Deneme Sınavı Soruları
- 20 soru
- Cevap anahtarı açık: çöz, sonucunu gör
- 1
What is the mode of the following frequency distribution created for Age variable?

- 2
What is the midrange of the following data set?
11, 18, 10, 25, 25, 81, 26, 18, 20, 35, 14, 11, 18, 18, 25, 20, 48
- 3
A researcher wants to investigate the effects of tea on heart diseases. What should the researcher do in order to conclude a causal effect?
- 4
As a general rule, most data on monetary values and those coming from physical measurements (e.g., lira, gold price, centimeters, kilograms) are _____ variables.
Which of the following options fills the blank in the above sentence in the most correct way?
- 5
According to the data set given in the following table, what constitutes the case for John?

- 6
In a research investigating the effects of playing online games on aggressive behavior, 100 teenagers are observed. What statistical term represents these 100 teenagers in this particular experiment?
- 7
What is the arithmetic mean of the following data set?
2, 4, 4, 6, 7, 8, 10, 11, 14, 22, 28, 4
- 8
Which of the following is a newborn concept relative to others in statistics?
- 9
Mode is the.......value in a data set.
Which of the following correctly fills in the blank in the sentence above?
- 10

What are the gray, orange and green highlighted places in the dataset table above, called respectively?
- 11

Bicycle types and their prices in a certain shop are given above. What is the midrange of the bicycle prices?
- 12
In this type of measurement scale, there is a natural or zero-valued base value that cannot be changed. What is the name of this scale?
- 13
Which of the following is FALSE about histogram ?
- 14
Assume that you are investigating the smart phone preferences of people living in Turkey and you surveyed 2000 people in Denizli.
What can you say about results?
- 15
- 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?
- 16
For an observation that results in values 6,7,3,4,3,5,6 what is the 30% Winsorized mean of the group?
- 17
For an observation that results in values 6,7,3,4,3,5,6 what is the midrange arithmetic mean of the group?
- 18
A teacher labels students successful, average and unsuccessful based on their exam marks. What form of data does s/he produce?
- 19
What is the middle value of an ordered dataset called?
- 20
Which type of plot is used to display the relationship between two sets of variables or to make comparisons between two sets of data points?