Statıstıcs I Çıkmış Sorular, Online Deneme Sınavları, Çalışma, Dersler, Sınava Hazırlanma, vize, final

Soru 1:

What is the middle value of an ordered dataset called?

A) Median B) Ratio C) Tendency D) Mode E) Mean

Soru 2:

Which of the following are not variables?

A) exam grade B) words in sentence C) your Anadolu University student number D) radio waves E) class

Soru 3:

Is your answer to this question variable?

A) Maybe B) Sometime C) It depends on time D) No E) Yes

Soru 4:

What is the median of the following data set with frequency in paranthesis? 12 (2), 32 (4), 35 (3), 43 (3), 92 (2)

A) 12 B) 17 C) 32 D) 35 E) 52

Soru 5:

Which one below is NOT correct about histograms?

A) Histograms will help us to identify the center, shape and symmetry of the data. B) A histogram can tell us about the peaks and extreme values. C) A histogram can be used to check out the normality. D) You can think histograms as bar plots of grouped frequency distributions. E) Histograms are drawn for qualitative data but not for continuous data.

Soru 6:

What is the mode of following data set: 1,2,2,2,3,3,3,4,4,4,4,4,4,4,4,5,5,6,6,7,9

A) 1 B) 2 C) 3 D) 4 E) 5

Soru 7:

Which of the following is more useful to discover the overall shape of the data?

A) Pie chart B) Histogram C) Dot plot D) Line chart E) Frequency polygon

Soru 8:

Which of the following is not an ordinal variable?

A) Type of housing B) Income group C) Exam grade D) Educational level E) An attitude question in a survey where possible responses are agree / disagree.

Soru 9:

There is a data set of clinic’s patients above. Which of the following statements about this table is false?

A) The weight in the table is a qualitative variable B) In the table, an element of the data set is a particular patient, for example Ahmet C) Age is a variable and takes on different values for different patients D) 90 kg is the observation on the variable weight for patient Gökhan E) In the table, the outcomes on the four variables for patient Elif constitutes a case

Soru 10:

There are 85 people interviewed on their weekly salary. If the frequency for Class 2 is 21 what is the percentage of relative frequency ?

A) 0,247 B) 24,7 C) 21,3 D) 2,13 E) 0,85

Soru 11:

Your professor asked you to write an essay and stated that you would be assessed for the count of words in your essay. What form of numerical data would s/he study on?

A) nominal B) ordinal C) interval D) ratio E) qualitative

Soru 12:

What is the median of the following data set with frequency in paranthesis? 16 (3), 33 (1), 36 (2), 48 (2), 66 (4), 92 (2)

A) 26 B) 38 C) 42 D) 54 E) 57

Soru 13:

A researcher collects data about the weight of pupils in a school. There are 500 students in that school whose weight differs from 20kgs to 40kgs. What is the class width for this case?

A) 0.04 kg B) 0.5kg C) 0.89 kg D) 1 kg E) 2 kg

Soru 14:

Usually used to represent categorical data Divides categories as sectors Each sector's size shows the proportion of each category to the total Which of the following do these features belong to?

A) Simple bar chart B) Stacked bar chart C) Grouped bar chart D) pie chart E) Line chart

Soru 15:

Used to represent continuous data Usually used when the sample is large Columns are adjacent to each other Which of the following visualization types do these features represent?

A) Stem-and-leaf B) Bar chart C) Histogram D) Pie chart E) Line chart

Soru 16:

Which of the following matches is wrong?

A) Nominal-Country B) Ordinal-Olimpic Gold Medalist C) Interval-Temperature D) Continuous-Age E) Interval-Time to run 100 meters

Soru 17:

Which is NOT TRUE about the table below?

A) There are three categorical variables. B) It is a contingency table of the variables gender and excel knowledge. C) We may conclude that number of males who have technical knowledge is greater than those in female. D) It is used to determine if one categorical variable is related to another categorical variable. E) It excludes relative frequencies or percentages.

Soru 18:

Which of the following is not data?

A) Eskişehir B) Eskişehir train station C) Eskişehir's pirate ship D) Eskişehir's beach's users E) Anadolu University airport

Soru 19:

According to the contingency table below, what are the percentage of male and female respectively within the people who do not have technical knowledge (No)?

A) 75%, 25% B) 35%, 65% C) 50%, 50% D) 40%, 60% E) 20%, 80%

Soru 20:

What is the mode of the following data set? 10, 19, 11, 26, 26, 26, 18, 20, 35, 99, 11, 14, 18, 18, 26, 20, 48

A) 10 B) 26 C) 35 D) 48 E) 99