Statıstıcs I (ENG)
Deneme Sınavı Soruları
- 20 soru
- Cevap anahtarı açık: çöz, sonucunu gör
- 1
- Data set is large
- Measurements type is ratio scale
- Interpretation should be easier
In which condition(s) above, it is more appropriate to use grouped frequency for summarizing data?
- 2
Which statement below is correct about the table above?
- 3
Which one of the following is an example of central tendency measures?
- 4
Which of the following is not variable?
- 5
- Statistics
- Computer Science
- Database Management
- Data Visualization
- Analytics
Which of the above really mean the same thing?
- 6
Which of the following refers to 'the average of a set of numbers in the data'?
- 7
Which of the following is not data?
- 8
Which of the following is not an component of data sets?
- 9
What is the arithmetic mean of the following data: 2, 4, 5, 6, 7, 8, 9, 9, 9, 14?
- 10
What is the arithmetic mean of the following data set?
4, 4, 6, 7, 8, 10, 11, 12, 18, 32
- 11
In the graphic above, the number of activities that five students did during a semester is present in a grouped bar chart. According to this data, which student attended the most concerts? - 12
Self-reported data for high school students is presented in the table above. In which of the following correctly refers to the measurement levels of the variables "career plans and age"?
- 13
For an observation that results in values 4,2,6,7,3,4,3,5,6,6,3 what is the mode of this group?
- 14
A survey on married couples asked the following questions: "What is your gender? Woman or Man"
Which type of data requested in the question?
- 15
A researcher wants to know if field trips will improve science academic achievement. For this purpose, it forms two separate groups from 6th grade students. One of the groups regularly goes to field trips (museum visits, science centers, etc.) once a week for 1 year. Students in the other group only take science lessons in the classroom. Science academic achievements of children are measured and compared periodically throughout the year.
Which of the following statements about this research is correct?
- 16
Which of the following are not data?
- 17
What is the median of the following data set with frequency in paranthesis?
12 (2), 32 (4), 35 (3), 43 (3), 92 (2)
- 18
What is the geometric mean of the data set A=(6, 8, 9, 16, 36)?
- 19
What is the geometric mean of the following data set?
64, 125, 216
- 20
What is the arithmetic mean of the following data set with weights in paranthesis?
20 (10 %), 40 (20 %), 60 (30 %), 80 (40 %)