cnsl 503

CNSL 503: A GUIDE TO A+. QUESTIONS AND ANSWERS FORMAT.LATEST UPDATE Statistics Encompasses the mathematical field that allows us to organize, summarize, describe and interpret different forms of information data (singular datum) Mathematical formulas and calculations to understand both small and large sets of information Types of Data qualitative, quantitative, discrete, continuous Variable Characteristics that can change in value qualitative(categorical) variable Variable measures in...

CNSL 503: A GUIDE TO A+. QUESTIONS AND ANSWERS FORMAT.LATEST UPDATE What is the difference between a parameter and a statistic? A parameter is a numerical value that describes a population, such as the population mean. A statistic is a numerical value that describes a sample, such as a sample mean A statistic is a descriptive statistical result that is generated from a sample, whereas a parameter is a statistical result from a population.. Why is it important to have a representative samp...

CNSL 503: A GUIDE TO A+. QUESTIONS AND ANSWERS FORMAT.LATEST UPDATE statistics encompasses the mathematical field that allows us to organize, summarize, describe and interpret different forms of information Statistics involves using mathematical formulas and calculations to understand both small and large sets of informations called... data (singular datum) 3 importances of statistics 1. allows to be described and communicated sufficiently and concisely 2. allows to draw inferences about...

CNSL 503: A GUIDE TO A+. QUESTIONS AND ANSWERS FORMAT.LATEST UPDATE parameter a numerical value that describes a population example of parameter population mean statistic a value that describes a sample; used to estimate population parameter example of a statistics sample mean In order to make correct inferences about the population, the sample must... reflect the population representative sample consist of members that possess the same characteristics as those of the population bi...

CNSL 503: A GUIDE TO A+. QUESTIONS AND ANSWERS FORMAT.LATEST UPDATE measures of variability range, interquartile range, sum of squares, variance, standard deviation The range and interquartile range are based on... only 2 scores The sum of squares, variance and standard deviation are based on... all the scores related to one another range the difference between the highest value and the lowest value in a dataset The range is calculated by... subtracting the lowest value and the highes...

CNSL 503: A GUIDE TO A+. QUESTIONS AND ANSWERS FORMAT.LATEST UPDATE frequency distribution presents the frequency of every value in a dataset frequency tables displays the number of times (ex: frequency) a certain value appears within the dataset in a table format What does each column represent in frequency tables? one column represents the category, the other column represents the frequency absolute frequency raw count What type of frequency do you use when answering " how many st...

CNSL 503: A GUIDE TO A+. QUESTIONS AND ANSWERS FORMAT.LATEST UPDATE Statistics Encompass the mathematical field and allow us to organize, summarize, describe, and interpret different forms of information Why are stats important? 1. Allow data to be described succinctly and concisely; a means by which researchers communicate their work with each other and how they relate findings to the general public in a way that is clear and understandable 2. Allow inferences to be drawn about data when ...

CNSL 503: A GUIDE TO A+. QUESTIONS AND ANSWERS FORMAT.LATEST UPDATE true or false: the numerator of the t-score formula contains the estimated standard error false! the DENOMINATOR contains the estimated standard error the t-distribution for a __________ sample size more closely resembles the z-distribution. - small - large - broad - general LARGE! As the sample size increases, the standard deviation decreases. Therefore, with a larger sample, the t-distribution more closely resembles z-...

CNSL 503 MODULE 2 PROBLEM SET EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE What is a frequency table used for? A frequency table shows the number of times a certain value occurs within a dataset, which is also known as each value's frequency. Frequency tables allow information to be more easily organized. What is one advantage of using a bar chart over a pie chart? Bar charts can be used to display the frequency and relative frequencies of qualitative data. ...

CNSL 503 MODULE 1 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Statistics Encompasses the mathematical field that allows us to organize, summarize, describe, and interpret different forms of information Data (datum) Small and large sets of information What are statistics important? 1) allows data to be described and communicated succinctly and concisely 2) means by which researchers communicate their work with one another and the general public, clear and understandable 3...