Скачать тест — (Theory of Probability and Mathematical Statistics._1567e342.pdf)
- Which of the following values is used as a summary measure for a sample, such as a sample mean?
- Which of the following is a branch of predictive statistics?
- The control charts and procedures of descriptive statistics which are used to enhance a procedure can be classified into which of these categories?
- Which of the following can also be represented as sample statistics?
- To which of the following options do individual respondents, focus groups, and panels of respondents belong?
- What are the variables whose calculation is done according to the weight, height, and length known as?
- Which method used to examine inflation rate anticipation, unemployment rate, and capacity utilisation to produce products?
- Specialised processes such as graphical and numerical methods are utilised in which of the following?
- What is the scale applied in statistics, which imparts a difference of magnitude and proportions, is considered as?
- Review of performance appraisal, labour turnover rates, planning of incentives, and training programs are the examples of which of the following?
- A graphical method of representing the sample points of a multiple-step experiment is …
- If the frequency curve has a longer tail to left, the distribution is …
- Decumulative frequency is presented by …
- Which of the following is an example of compressed data: …
- A circle in which sectors represents various quantities is called …
- The frequency polygon is a closed diagram of …
- Frequency curve is …
- A histogram is …
- Component bar charts are used when data is divided into: …
- A Histogram containing a set of …
- Which of the following is appropriate to graph a single categorical variable?
- Which of the following is appropriate to graph a single continuous variable?
- A mosaic plot is used when graphing …
- Which of the following is not a recommended type of graph?
- Density plots, histograms, and boxplots can all be used to …
- The graph which shows the changes over a specific time period is called …
- The vertical axis of bar graph is also known as …
- Considering the line graph, the x-axis represents …
- Considering the line graph, the y-axis represents …
- The horizontal axis of bar graph is also known as …
- Which measure of central tendency takes into account the magnitude of scores?
- The median of an ordered set of data is the value that represents …
- A measure of central tendency, given as the value above which half of the values fall and below which half of the values fall is called the …
- What is the median of the following set of scores? 19, 5, 12, 10, 14?
- The mean of ten numbers is 58. If one of the numbers is 40, what is the mean of the other nine?
- On his first 5 biology tests, Bob received the following scores: 72, 86, 92, 63, and 77. What test score must Bob earn on his sixth test so that his average (mean score) for all six tests will be 80
- Following are the disadvantages of Mean except …
- Which of the following is NOT a common measure of central tendency?
- There are two methods of finding mode in discrete series …
- Following are the partition values except …
- The techniques which provide the decision maker a systematic and powerful means of analysis to explore policies for achieving predetermined goals are called …
- Correlation analysis is not a …
- If change in one variable results a corresponding change in the other variable, then the variables are …
- When the values of two variables move in the same direction, correlation is said to be …
- When the values of two variables move in the opposite directions, correlation is said to be …
- When the amount of change in one variable leads to a constant ratio of change in the other variable, then correlation is said to be …
- … attempts to determine the degree of relationship between variables.
- Non-linear correlation is also called …
- Scatter diagram is also called …
- If all the points of a scatter diagram lie on a straight line falling from left upper corner to the right bottom corner, the correlation is called …
- If you rolled a 6-sided dice, what is the probability of rolling a 3?
- If you flipped 2 coins, what is the probability that both will land on tails?
- If you rolled a 6-sided dice, what is the probability of rolling a even number?
- A lolly bag contains 2 red, 3 green and 2 blue gum balls. What is the probability of selecting a green one?
- A card is selected from a deck of playing cards. What is the probability of selecting a red card?
- What is the probability of selecting the diamond suit from a deck of playing cards?
- What is the probability of rock beating paper?
- If you flipped a coin, what is the probability it will land on heads?
- There are red, yellow and green lollipops in a bag. What is the probability of selecting a blue one?
- What is the probability of paper losing to scissors?
- Data originally collected in the process of investigation are known as …
- Census is …
- Statistical enquiry means …
- … are those which are already in existence and which might be collected for some purpose other than the answering of the question in hand.
- Which law is also called Principle of Stability of Mass Data …
- Following are the method of restricted random sampling except …
- An enquiry in which each unit of the universe is studied is called …
- Cluster sampling means …
- How sample method is differ from census method on the basis of cost?
- In … information is recorded by the informants themselves whereas in … information as supplied by the informants is recorded by the enumerators.
- Which of the following are not the assumptions underlying the use of parametric tests (based on the normal distribution)?
- Which of the following is the least affected by outliers?
- Which of the following is not a transformation that can be used to correct skewed data?
- If we were to pull all possible samples from a population, calculate the mean for every sample, and construct a graph of the shape of the distribution based on all of the means, what would we have?
- Approximately what percentage of people would have scores lower than an individual with a z-score of 1.65 in a normally distributed sample?
- The binomial distribution depends on which of the following?
- The normal distribution depends on which of the following?
- In a normal distribution, 95% of observations are …
- A sampling distribution shows …
- The z-score is …