data distributions

The scores of 20 students in a quiz are collected and shown in the table: Construct a frequency distribution and a histogram for the data. => Figure - A or Figure - B..

Determine whether the data is normally distributed or skewed. 12, 11, 10, 11, 11, 11, 12, 12, 12, 12, 10, 12, 13, 13, 13, 13, 9, 13, 8. => normally distributed or negatively skewed or cannot be determined or positively skewed..

Rita collected the data regarding the distribution of fish and aquatic life in a nearby pond. The data consists of the number of living creatures found in each 1 meter depth increment in the pond. How many more living creatures are there in the depth range 5 - 6 meters..

Frequency Distribution - A teacher gave a test to a class of 26 students. The maximum mark is 5. The marks obtained by the pupils are: Such data as above is called ungrouped (or raw) data. We may arrange the marks in ascending or descending order. The data so..

The owner of a restaurant recorded the number of visitors for a period of one week. Examine the nature of distribution of the data, using a box plot. 256, 542, 340, 460, 380, 429, 412 => symmetric or positively skewed or negatively skewed or approximately symmetric..

Which of the following statement(s) is/are false? I. Data such as blood types (A, B, AB, O) can be organised into a categorical frequency distribution. II. Except for rounding errors, relative frequencies should add up to 100. III. A statistical device used in exploratory d..

Jim distributed chocolates among Jake, Bill, Joe and Paul. Jake got 15 chocolates, Bill got 18, Joe 21, and Paul 6. Which circle graph best represents the data? => Graph 3 or Graph 1 or Graph 2 or Graph 4..

A jewellery store sells gold chains, pendants and bracelets. The cost of 24 different gold bracelets (of the same weight) are $150, $100, $150, $200, $150, $100, $150, $100, $150, $100, $150, $100, $150, $100, $150, $200, $100, $150, $150, $100, $150, $200, $150 and $200. Make a frequency dist..

Constructing and interpreting graphical displays of distributions of univariate data: Dotplot, stemplot, histogram, cumulative frequency plot Center and spread Clusters and gaps Outliners and other unusual features Shape Summarizing distributions ..

Identify the incorrect statement(s). I. For an open-ended frequency distribution, Mean is the best average. II. Mean and Midrange are not effected by extremely high or low values in a data set. III. Bimodal is a data set with two modes. IV. Mode is the easiest average ..