# Psych 625 Week 1 Individual Assignment Time to Practice Essay

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PSYCH 625 WEEK 1 Individual Assignment Time to Practice

Time to Practice – Week One Complete both Part A and Part B below. Part A Some questions in Part A require that you access data from Statistics for People Who (Think They) Hate Statistics. This data is available on the student website under the Student Test Resources link. 1. By hand, compute the mean, median, and mode for the following set of 40 reading scores: SUMMARY 31 | 32 | 43
A third-grade teacher is looking to improve her students’ level of engagement during group discussions and instruction. She keeps track of each of the 15 third graders’ number of responses every day for 1 week. This information is available in Ch. 4 Data Set 2. Use IBM®SPSS®software to create a bar chart (one bar for each day).

10. Identify whether these distributions are negatively skewed, positively skewed, or not skewed at all, and why.

a. This talented group of athletes scored very high on the vertical jump task. b. On this incredibly crummy test, everyone received the same score. c. On the most difficult spelling test of the year, the third graders wept as the scores were delivered.

11. For each of the following, indicate whether you would use a pie, line, or bar chart, and why.

a. The proportion of freshmen, sophomores, juniors, and seniors in a particular university b. Change in GPA over four semesters c. Number of applicants for four different jobs d. Reaction time to different stimuli e. Number of scores in each of 10 categories