2019–2020 Vize (Ara Sınav) Çıkmış Soruları

20 soru
Cevap anahtarı açık: çöz, sonucunu gör

0 doğru · 0 yanlış · 20 kaldı

1
4, 3, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 3, 2, 3, 4, 5, 6
The values are observed above in a sample.
What is the 10% winsorized mean of this sample?
2
Which of the following is included in Data Science?
3
15, 17, 8, 9, 2, 25, 23, 22, 35, 1, 2, 55, 36, 44, 35, 15, 18, 8, 9, 18
If you draw the dot plot for the data above, what is the value of the highest extreme data point?
4
10, 10, 11, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 18, 19
What is the mode of the sample above?
5
I. Summarize and interpret data
II. Check the financial transactions of a company
III. Analyse large sets of data from online
purchases
Which of the above tasks are done by statisticians?
6
------- are the entities on which the data are collected.
Which of the following completes the sentence above?
7
I. Blood perssure
II. Gender
III. Age
Which of the above statements are continuous scale variables?
8
I. All the phone calls on GSM operators in
Turkey
II. All the pictures posted on Instagram in one
day in Turkey
III. All data that are very large numbers, every
value in the billions and trillions.
Which of the above statements are constitute big data?
9
In an ------- study, one or more independent variables are controlled so as to obtain information about their influnce on the dependent variable.
Which of the following completes the sentence above?
10
I. Error in population specification
II. Error in sampling
III. Error in measurement
Which of the above statements are errors that are frequently made in research process?
11
Class Interval
Frequency
[10- up to 15)
1
[15- up to 20)
3
[20- up to 25)
5
[25- up to 30)
6
[30- up to 35)
20
[35- up to 40)
8
[40- up to 45)
5
[45- up to 50)
2
According to the frequency distribution table given above.
What is the ratio of the frequency are under 30?
12
About a dot plot, which of the following is not true?
13
Observations: 41, 13, 23, 45, 18, 12, 15, 49, 37
Create the steam-and-leaf display for the given observations?
14
What kind of chart is given above?
15
I. Most Frequent value(s)
II. Sometimes there is no mode
III. Middle number in ordered data by magnitude
Which of the above statements are basic informations about mode?
16
Clesses
Frequency
2 – 4
9
4 – 6
17
6 – 8
24
8 - 10
16
10 - 12
6
Total
72
What is the lower boundry of the class that contains the median given grouped frequency distribution?
17
Calculate the average growth rate for an organism that has been observed to grow 3%, 4%, 5%, 6%, 6%, 2% every ten minutes during the last hour using the geometric mean?
18
What is the first role of statistics?
19
A researcher has collected data from some flower species. There are 90 observations in her sample. She measured a certain characteristic of the individual flowers and she would like to create a grouped frequency distribution for the measured variable.
How many classes should she create?
20
Using the above histogram of height variable, find the density height of the class (80 up to 90)?

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Yeni yılların sınavlarını da çözStatıstıcs I (ENG) dersinin tüm sınavları, cevap anahtarları, süreli mod ve yanlış analizi uygulamada.Uygulamada aç

Class Interval	Frequency
[10- up to 15)	1
[15- up to 20)	3
[20- up to 25)	5
[25- up to 30)	6
[30- up to 35)	20
[35- up to 40)	8
[40- up to 45)	5
[45- up to 50)	2

Clesses	Frequency
2 – 4	9
4 – 6	17
6 – 8	24
8 - 10	16
10 - 12	6
Total	72

4, 3, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 3, 2, 3, 4, 5, 6

The values are observed above in a sample.

What is the 10% winsorized mean of this sample?

Which of the following is included in Data Science?

If you draw the dot plot for the data above, what is the value of the highest extreme data point?

10, 10, 11, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 18, 19

What is the mode of the sample above?

Which of the above tasks are done by statisticians?

------- are the entities on which the data are collected.

Which of the following completes the sentence above?

Which of the above statements are continuous scale variables?

Which of the above statements are constitute big data?

Which of the following completes the sentence above?

Which of the above statements are errors that are frequently made in research process?

According to the frequency distribution table given above.

What is the ratio of the frequency are under 30?

About a dot plot, which of the following is not true?

Create the steam-and-leaf display for the given observations?

What kind of chart is given above?

Which of the above statements are basic informations about mode?

What is the lower boundry of the class that contains the median given grouped frequency distribution?

Calculate the average growth rate for an organism that has been observed to grow 3%, 4%, 5%, 6%, 6%, 2% every ten minutes during the last hour using the geometric mean?

What is the first role of statistics?

A researcher has collected data from some flower species. There are 90 observations in her sample. She measured a certain characteristic of the individual flowers and she would like to create a grouped frequency distribution for the measured variable.

How many classes should she create?

Using the above histogram of height variable, find the density height of the class (80 up to 90)?