2019–2020 Final (Dönem Sonu) Çıkmış Soruları

20 soru
Cevap anahtarı açık: çöz, sonucunu gör

0 doğru · 0 yanlış · 20 kaldı

1
I. Online electronic commerce
II. Amount of daily drug sales a pharmacy in
Eskişehir
III. Transport in the airline industry
Which of the above statements are “big data” sets that come from?
2
------- is a field that includes Statistics as well as areas such as Computer Science, Database Management and Data Visualition.
Which of the following completes the sentence above?
3
“The variable is defined as ------- if the outcomes are nonnumeric qualities or attributes.”
Which of the following completes the sentence above?
4
I. The direct recording of the data avoids
problems.
II. The individuals included in the study might be
aware of this fact and then altered their
behavior, decision or answers.
III. The observer or the instrument to be used for
data gathering must be able to record the
events correctly.
Which of the statements above are limitations of data collection by observation method?
5
What kind of chart is given above?
6
Histograms are drawn for -------.
Which of the following completes the sentence above?
7
Data set: 4, 4, 4, 6, 6, 8, 8, 11, 11, 13
What is the 50th percentile for given data set?
8
The ------- is the differences between the third and the first quartiles.
Which of the following completes the sentence above?
9
According to figure given above, what about say is its skewness?
10
The products in a warehouse are arranged “Whole (W)” and “Broken (B)”
Which of the following is list of possible results of experiment that is “Random selection of two of these products”?
11
What is the C(10,8) =?
12
A and B are independent events. A is 0.5 whereas the probability of an event B is 0.4.
What is the probability that either A and B occurs?
13
X = x
0
1
2
3
P(X = x)
0.25
0.55
k
0.05
Consider the probability distribution for the random variable X given above and determine the value of constant k?
14
Determine P(X=1) from the following cumulative distribution function of random variable X?
15
If X ∼ Binomial (n, p) and n = 5, p = 0.3 what is P(X = 3) =?
16
I. The travel time of a bus between two cities.
II. The number of magazine sold on aspecific
date.
III. The call center phone call waiting times.
IV. The water level in a certain pond.
Which of the above statements are a continuous random variable?
17
Consider that continuous random variable X is uniformly distributed and takes values 20 and 40.
What is the mean of this continuous random variable X?
18
Classes
Frequency
2 - 4
9
4 - 6
17
6 - 8
24
8 - 10
16
10 - 12
6
Total
72
What is the median given grouped frequency distribution?
19
Raw data: 16, 27, 14, 18, 19, 30, 28, 33, 15, 16, 34, 12, 16, 12, 13, 23, 24, 33, 16, 17, 18, 17, 27, 12
What is the mode for the given raw data?
20
Suppose random variable X has an exponential distribution with λ=0.04.
What is the mean of this variable?

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

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

X = x	0	1	2	3
P(X = x)	0.25	0.55	k	0.05

Which of the above statements are “big data” sets that come from?

------- is a field that includes Statistics as well as areas such as Computer Science, Database Management and Data Visualition.

Which of the following completes the sentence above?

Which of the following completes the sentence above?

Which of the statements above are limitations of data collection by observation method?

What kind of chart is given above?

What is the 50th percentile for given data set?

According to figure given above, what about say is its skewness?

The products in a warehouse are arranged “Whole (W)” and “Broken (B)”

Which of the following is list of possible results of experiment that is “Random selection of two of these products”?

What is the C(10,8) =?

A and B are independent events. A is 0.5 whereas the probability of an event B is 0.4.

What is the probability that either A and B occurs?

Consider the probability distribution for the random variable X given above and determine the value of constant k?

Determine P(X=1) from the following cumulative distribution function of random variable X?

If X ∼ Binomial (n, p) and n = 5, p = 0.3 what is P(X = 3) =?

Which of the above statements are a continuous random variable?

Consider that continuous random variable X is uniformly distributed and takes values 20 and 40.

What is the mean of this continuous random variable X?

What is the mode for the given raw data?

Suppose random variable X has an exponential distribution with λ=0.04.

What is the mean of this variable?