Deneme Sınavı Soruları

In a data set, what is the difference between the largest and smallest values called?

A call center receives, on average, 6 calls per minute and number of calls follows a Poisson distribution. What is the probability of receiving at most 2 calls at a given minute?

Which of the following statements is true according to the box-plot given below?

A farming company collected data about the amount of wheat (tons) sold in the last week to different companies. The data is as follows, 12, 35, 14, 25, 24, 40, 25. What is the mean of this data set?

Which option gives the correct terms to complete the blanks given in the graph in the correct order ( from 1 to 4)?

Data : 1.000, 1.000, 1.200, 1.200, 1.200, 1.400, 1.400, 1.500, 1.500, 1.500, 1.600, 1.600, 1.800, 1.800, 1.800, 2.000, 2.000, 2.500, 2.500, 2.500. What is the IQR of these data ?

Which of the following can be categorized as a discrete random variable?

Find out the mean score of the following data set: 10,20,40,60,100?

In how many different ways can the letters in U-S-U-A-L-L-Y be arranged?

Which statements below are correct?

I Exponential distribution is a type of a discrete random variable.

II Discrete random variables have only a countable number of distinct values.

III A discrete random variable typically comprises of a counting concept.

IV Continuous random variables represent entire infinite values in an interval.

V Continuous random variables are commonly measured instead of counted.

Which of the following is a measure of the dispersion or variability for data set for continuous random variables?

For two sets A and B the probability of B is 0.45 and P(A|B) is equal to 0.20 what is the value of P(A∩B)?

According to the data set given in the following table, what constitutes the case for John?

Which one below is a term that has the same meaning the with the term Statistics? 

Which of the following is not data?

What is the midrange of the following data set with frequency in paranthesis?

15 (2), 25 (4), 38 (3), 44 (3), 64 (3), 105 (2)

An advertisement company conducts a survey on parfume preferences of adults in a city in which the half of the population is female. The researcher collects a sample of 200 people of whom 170 are male.

What type of error does the researcher make?

 Suppose that 100 students were asked what type of transportation they use to travel home. Using the student responses given in the table below, construct the pie chart of this data. Which of the response do you think take the smallest portion?