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Frequency 1 5 Frequency 1 5 No Prior 5 6 7 Test Scores 6 Prior Knowledge 8 9 10 5 6 7 8 9 10 Test Scores a. b. How many students are in the no prior knowledge group? How many students are in the prior knowledge group? C. d. How many students in the prior knowledge group received a score of 9 on the exam? Does it appear that the prior knowledge group performed better or worse on the exam than the no prior knowledge group? Explain your answer. 5. For the following set of scores: 12 22 15 16 27 28 32 55 43 13 24 13 26 17 56 32 35 41 a. b. Construct a stem and leaf plot. What is the shape of the distribution? 1. For the following set of scores: a. 5 1 3 4 2 4 5 5 6 7 1 6 4 6 7 1 4 3 6 4 Place the scores in a frequency distribution table. Include columns for proportion and percentage in your table. b. n = ? 2. Based on the following absolute frequency table, calculate the following: X f 10 4 9 1 8 2 7 3 6 2 5 1 a. n b. C. ΣΧ ΣΧΕ 3. a. 4. Place the following scores in a frequency distribution table. 4 3 1 6 2 5 5 6 6 6 5 4 5 6 4 5 b. What is the shape of the distribution? An instructor is interested in assessing her students' prior knowledge of the course material. She asks her students to report whether they have prior knowledge of the course content or not (coded as "no prior" or "prior knowledge"). She then administers a 10-item exam to all the students to determine if there are differences in exam performance between the two groups. She graphs the results in a frequency polygon for each group (no prior vs. prior knowledge). Answer the following questions about the graphs.

Frequency 1 5 Frequency 1 5 No Prior 5 6 7 Test Scores 6 Prior Knowledge 8 9 10 5 6 7 8 9 10 Test Scores a. b. How many students are in the no prior knowledge group? How many students are in the prior knowledge group? C. d. How many students in the prior knowledge group received a score of 9 on the exam? Does it appear that the prior knowledge group performed better or worse on the exam than the no prior knowledge group? Explain your answer. 5. For the following set of scores: 12 22 15 16 27 28 32 55 43 13 24 13 26 17 56 32 35 41 a. b. Construct a stem and leaf plot. What is the shape of the distribution? 1. For the following set of scores: a. 5 1 3 4 2 4 5 5 6 7 1 6 4 6 7 1 4 3 6 4 Place the scores in a frequency distribution table. Include columns for proportion and percentage in your table. b. n = ? 2. Based on the following absolute frequency table, calculate the following: X f 10 4 9 1 8 2 7 3 6 2 5 1 a. n b. C. ΣΧ ΣΧΕ 3. a. 4. Place the following scores in a frequency distribution table. 4 3 1 6 2 5 5 6 6 6 5 4 5 6 4 5 b. What is the shape of the distribution? An instructor is interested in assessing her students' prior knowledge of the course material. She asks her students to report whether they have prior knowledge of the course content or not (coded as "no prior" or "prior knowledge"). She then administers a 10-item exam to all the students to determine if there are differences in exam performance between the two groups. She graphs the results in a frequency polygon for each group (no prior vs. prior knowledge). Answer the following questions about the graphs.

Ciccarelli: Psychology_5 (5th Edition)
Ciccarelli: Psychology_5 (5th Edition)
5th Edition
ISBN:9780134477961
Author:Saundra K. Ciccarelli, J. Noland White
Publisher:Saundra K. Ciccarelli, J. Noland White
Chapter1: The Science Of Psychology
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Frequency 1 5 Frequency 1 5 No Prior 5 6 7 Test Scores 6 Prior Knowledge 8 9 10 5 6 7 8 9 10 Test Scores a. b. How many students are in the no prior knowledge group? How many students are in the prior knowledge group? C. d. How many students in the prior knowledge group received a score of 9 on the exam? Does it appear that the prior knowledge group performed better or worse on the exam than the no prior knowledge group? Explain your answer. 5. For the following set of scores: 12 22 15 16 27 28 32 55 43 13 24 13 26 17 56 32 35 41 a. b. Construct a stem and leaf plot. What is the shape of the distribution?
Transcribed Image Text:Frequency 1 5 Frequency 1 5 No Prior 5 6 7 Test Scores 6 Prior Knowledge 8 9 10 5 6 7 8 9 10 Test Scores a. b. How many students are in the no prior knowledge group? How many students are in the prior knowledge group? C. d. How many students in the prior knowledge group received a score of 9 on the exam? Does it appear that the prior knowledge group performed better or worse on the exam than the no prior knowledge group? Explain your answer. 5. For the following set of scores: 12 22 15 16 27 28 32 55 43 13 24 13 26 17 56 32 35 41 a. b. Construct a stem and leaf plot. What is the shape of the distribution?
1. For the following set of scores: a. 5 1 3 4 2 4 5 5 6 7 1 6 4 6 7 1 4 3 6 4 Place the scores in a frequency distribution table. Include columns for proportion and percentage in your table. b. n = ? 2. Based on the following absolute frequency table, calculate the following: X f 10 4 9 1 8 2 7 3 6 2 5 1 a. n b. C. ΣΧ ΣΧΕ 3. a. 4. Place the following scores in a frequency distribution table. 4 3 1 6 2 5 5 6 6 6 5 4 5 6 4 5 b. What is the shape of the distribution? An instructor is interested in assessing her students' prior knowledge of the course material. She asks her students to report whether they have prior knowledge of the course content or not (coded as "no prior" or "prior knowledge"). She then administers a 10-item exam to all the students to determine if there are differences in exam performance between the two groups. She graphs the results in a frequency polygon for each group (no prior vs. prior knowledge). Answer the following questions about the graphs.
Transcribed Image Text:1. For the following set of scores: a. 5 1 3 4 2 4 5 5 6 7 1 6 4 6 7 1 4 3 6 4 Place the scores in a frequency distribution table. Include columns for proportion and percentage in your table. b. n = ? 2. Based on the following absolute frequency table, calculate the following: X f 10 4 9 1 8 2 7 3 6 2 5 1 a. n b. C. ΣΧ ΣΧΕ 3. a. 4. Place the following scores in a frequency distribution table. 4 3 1 6 2 5 5 6 6 6 5 4 5 6 4 5 b. What is the shape of the distribution? An instructor is interested in assessing her students' prior knowledge of the course material. She asks her students to report whether they have prior knowledge of the course content or not (coded as "no prior" or "prior knowledge"). She then administers a 10-item exam to all the students to determine if there are differences in exam performance between the two groups. She graphs the results in a frequency polygon for each group (no prior vs. prior knowledge). Answer the following questions about the graphs.
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