Quartiles - Study guides, Class notes & Summaries

BESC 3010 Posttest 1 Questions and Answers | Latest Version | 2024/2025 | 100% Pass How do measures of central tendency help in statistics? Measures of central tendency, like the mean, median, and mode, provide a single value that represents the center of a dataset, helping to understand its general trend. What is the difference between the mean and median? The mean is the average of all data points, while the median is the middle value when the data is ordered, providing a bette...

Quantitative data - -analysis of numeric data Qualitative data - -describes observations; must be categorized before summarizing; has subjectivity Indicate whether each of the following represents qualitative or quantitative data: a. type of health insurance b. blood pH level c. number of ED admission in July d. patient's self-report of pain on scale 1-10 - -a. qualitative; this is a category b. quantitative; this is a number c. quantitative d. qualitative; this is subjective data and c...

Frequencies  Just the count or number of observations in each category. Abbreviated as 'n' or 'f' Relative Frequency  The number of times a particular observation occurs divided by the total number of observations. Frequency Distribution  A summary of the numerical counts of the values or categories of a measurement. Cumulative Frequency  The number of observations with a value less than the maximum value of the variable interval. Cumulative Relative Frequency...

NSG 522 Pre Midterm Questions And Answers 100% Guaranteed Success. Frequencies - correct answer.Just the count or number of observations in each category. Abbreviated as 'n' or 'f' Relative Frequency - correct answer.The number of times a particular observation occurs divided by the total number of observations. Frequency Distribution - correct answer.A summary of the numerical counts of the values or categories of a measurement. Cumulative Frequency - correct answer.Th...

The standard deviation of a point estimator is the - standard error Cluster sampling is - a probability sampling method The interquartile range is the difference between the - first and third quartiles A __________ can be used to graphically present quantitative data. - both a histogram and a stem-and-leaf display are correct

The mode measures what type of data? - ️️-Qualitative data -It is the ONLY Central tendency measure for qualitative data What type of outliers cause the data to be RIGHT SKEWED? - ️️Outliers that are much larger than majority of the other data points Population Parameter - ️️a number calculated from all the population measurements that describes some aspect of the population Measures Central Tendency - ️️Mean, Median, Mode Measures of Variation - ️️STD Deviation & Vari...

Categorical Data correct answer: Assigns a unique value for each case, used to name or identify it Quantitative Data correct answer: A variable in which the numbers act as a numerical value, always have units Stem and leaf plot correct answer: Shows quantitative data values in a way that sketches the distribution of the data Ogive correct answer: a graph that represents the cumulative frequencies for the classes in a frequency distribution Histogram correct answer: Bar graphing ...

Chapter 03 Test Bank - Static KEY 1. The median is the measure of central tendency that divides a population or sample into four equal parts. FALSE The median divides a population into two equal parts. AACSB: Reflective Thinking Blooms: Remember Difficulty: 1 Easy Learning Objective: 03-01 Compute and interpret the mean, median, and mode. Topic: Describing Central Tendency 2. The population mean is the average of the population measurements. TRUE AACSB: Reflective Thinking B...

addition rule - a mathematical rule used to calculate the probability of the union of events alpha - The probability of rejecting the null hypothesis when, in reality, it is true. Alternative hypothesis - Designated H1, this hypothesis represents the opposite of the null hypothesis and holds true if the null hypothesis is found to be false. The alternative hypothesis always states the population parameter is <, not equal (=/), or > a specific value. bar chart - A chart that displays q...

For a normal distribution mean is _______ to median. -not equal -greater than -equal -less than - Answer-equal Which of the following describes a positively skewed histogram? -a histogram with large kurtosis -a histogram for which mean and mode values are the same. -a histogram that tails off towards the right -a histogram that has no fluctuation in mass - Answer--a histogram that tails off towards the right Which of the following describes the standard deviation? -It is the avera...