Ünite Sınavı Soruları

1. Blood pressure
2. A verbal response
3. Number of supermarket visits
4. Purchased products
5. Course grade

Which of the above are statistical variables?

The main criteria for selecting a sample will be that the sample is _____I_____ of the population and that there’s no or very little ____II_____ in the choice of the sampling units.

Which of the following options fills the blank in the above sentence in the most correct way?

1. The observations made on the variables constitute the data.
2. The subjects or individuals or companies on which these observations are made are called cases.
3. Categorical variables and data can be either nominal or ordinal.
4. Continuous variables and data can be either interval-scale or ratio-scale

Which of the above are correct?

1. A study which aims to find some evidence of a result
2. A study which aims to find causes of a result
3. A study in which the groups are “balanced” in terms of known factors
4. A study conducted where conditions are controlled

Which of the above can be given as an example/examples of observational studies?

Which of the following is not data?

....................  is the combination of statistics, mathematics, programming, problem-solving, capturing data in ingenious ways, the ability to look at things differently, and the activity of cleansing, preparing, and aligning the data.

What is the correct concept for the sentence above?

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?

The size of a ......I..... is always less than the size of the ......II....... from which it is taken.

Which of the following terms correctly completes the sentence above?

1. Region of Residence
2. Field of Study
3. Type of Transport
4. Type of Housing
5. Exam Grade

Which of the above are nominal categorical variables?

1. Age
2. Hours of Sleep
3. The Inflation Rate
4. Gold Price
5. Time to Run 100 meters

Which of the above are interval-scale variables?

150 college students were randomly assigned to played either a violent or nonviolent video game. A short time later, the students who played the violent video game punished an opponent (received a noise blast with varying intensity) for a longer period of time than did students who had played the nonviolent video game.

What type of study is described above?

Which of the following is a newborn concept relative to others in statistics?

Which of the following variable is an example of interval scale?

"The number of applications downloaded to a phone".

 What is the level of measurement in this problem?

A teacher labels students successful, average and unsuccessful based on their exam marks. What form of data does s/he produce?

Which of the following is not an ordinal variable?

1. Statisticians are the most sought-after professionals these days.
2. The Statistician's mission is handling, analysing, interpreting and facilitating decisions from data.
3. The principal reason why Statistics is a key necessity to humankind today is the massive amounts of available information.

Which of the above statements about statistics is correct?

What cannot be an example showing that statistics is part of our daily lives?

Widespread social media platforms you visit everyday are gathering information about your profile, friends, tendencies, behaviors and so. What are they working on?

Which of the following cannot be considered as a field of big data?