## PSYC 354 Homework 2 Frequency Tables and Graphs - DocShare.

A baby elephant is weighed at the end of each week. The graph shows the weight of the elephant. At the end of week 5 the elephant weighed 100 kg. (a) At the end of week 6 the elephant weighed 104 kg. At the end of week 10 the elephant weighed 120 kg. (i) Plot these points on the graph. (2) (ii) Complete the graph with straight lines. (1).

Module 6: Unit 3 Data representation57 Unit 3: Data representation. frequency table, pictogram, bar chart, line bar chart, histogram, pie chart, line graph, frequency polygon,. Height of maize plants Frequency Frequency density 1 - 20 cm 12 0.6 21 - 40 cm 28 1.4 41 - 60 cm 54 2.7 61 - 70 cm 6 0.6.

PSYC 354 Homework 2 Frequency Tables and Graphs. All Questions Part I: Concepts. These questions are based on the Nolan and Heinzen reading and end-of-chapter questions. Use the following table to answer Question 1. This table depicts the scores of 83 students on an exam worth 65 points.

Frequency histogram and polygon The frequency histogram is like a column graph without the spaces between columns. The frequency polygon is a special line graph used in statistics. These graphs can be drawn separately or combined. The information in a frequency distribution table can be used to draw these graphs. Score Tally Frequency 11 IIII I 6.

Find the entry in the bottom row of the Cumulative Frequency column. In this example, it is 10. (Check: You should get the same result if you add up the numbers in the Frequency column).Find the middle number of this number. (See Finding the Middle Number in the Top Tip). In this example, there are 10 numbers, so the middle number is the 5.5 th. There is no 5.5 th number.

Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Learn more Frequency density barplot of categorical variable.

Unit 16 Section 3: Cumulative Frequency. Cumulative frequencies are easy to calculate from a frequency table. Cumulative frequency graphs can then be used to estimate the median of a set of data. In this section we also look at the idea of quartiles, the interquartile range and the semiinterquartile range.