Ünite Sınavı Soruları

The above table contains the daily sales data of a market. We want to construct grouped frequency distribution table for the data. What is the class width of the data?

Which is TRUE about the table below specifying types of books a particular customer prefers?

Which one is TRUE about error in sampling?

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"?

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.

If this researcher wants to constitute a grouped frequency distribution table, what is the class width for this case?

Self-reported data for high school students is presented in the table above. How many interval scales are there in the data set above?

In order to investigate the impact of playing online games on developing English speaking skills, we make a group of students play online games for four hours a day and prevent another group of students playing any English online games. What type of research we are conducting?

Which is NOT TRUE about the table below?

Which of the following is generally used to measure the attitudes of individuals towards a subject?

Suppose that researchers collected a random sample of 2500 people from the general Turkish adult population to gauge their entertainment preferences. Then, upon analysis, found it to be composed of 75% males.

What type of error was made if this sample would not be representative of the general adult population and would influence the data?

Which one below is one of the limitations of interview method?

1. Data set is large
2. Measurements type is ratio scale
3. Interpretation should be easier

In which condition(s) above, it is more appropriate to use grouped frequency for summarizing data?

Which scales of measurement have the properties of classifying, magnitude, and equal ­intervals?

How can we determine whether respondents are interpreting questions as intended and whether the order of questions may influence responses?

There are four participants in our research and their names are Tom, Jane, Tim and Beth. We assign arbitrarily 1 for Tom, 2 for Jane, 3 for Tim and 4 for Beth. Which word below describes the meaning of number 4 in our research?

1. Experimental study is a study in which the researcher manipulates some of the variables and try to determine how the manipulation i­nfluences other variables.
2. In an observational study, researchers simply collect data based on what is seen and heard and infer based on the data collected.
3. In an observational study, one or more ­independent variables are controlled so as to obtain information about their ­influence on the dependent var­iable.

Which of the above statements are true?

The frequency distribution table of the students’ performance scores of a school were constructed as follows. What is the ratio of the students whose score under 80?

Which of the followings could be a measure of a ratio scale?

Which of the following is not an component of data sets?