Introductory Social Statistics IMPORTANT INSTRUCTIONS: | show statistical formula used, process of computation, and provide meaningful interpretations of results in full sentences. Any table have to be labeled appropriately (c.g., title and column). Columns in a table should be meaningfully labeled in concise words and with statistical symbols. • Calculations could be rounded up to nearest two decimal points • Assessment of answers will include producing a neat work, clear interpretation or reasoning, and statistical correctness. Questions A| The following are the test scores of students in a 200-level statistics course: 66 89 47 63 40 51 62 80 60 97 48 64 67 97 60 67 81 64 74 38 69 50 59 80 57 33 47 72 68 91 74 47 73 50 52 43 54 98 54 63 79 33 51 54 60 44 82 43 32 48 46 57 47 92 72 87 71 79 84 41 40 58 44 61 38 92 71 41 83 84 7) Calculate the mcan from the grouped data. Show statistical formula and process of calculation. How different is this mean from the average calculated from the ungrouped data? | 8) If you were asked to draw a chart or graph, which one would you to choose from histogram, pie, or line chart to visually show the trends in the test scores? Why? |

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Introductory Social Statistics
IMPORTANT INSTRUCTIONS:
| show statistical formula used, process of
computation, and provide meaningful interpretations of results in full sentences.
Any table have to be labeled appropriately (c.g., title and column). Columns in a table should
be meaningfully labeled in concise words and with statistical symbols.
• Calculations could be rounded up to nearest two decimal points
• Assessment of answers will include producing a neat work, clear interpretation or reasoning,
and statistical correctness.
Questions A|
The following are the test scores of students in a 200-level statistics course:
66 89 47 63 40 51 62 80 60 97 48 64 67 97
60 67 81 64 74 38 69 50 59 80 57 33 47 72
68 91 74 47 73 50 52 43 54 98 54 63 79 33
51 54 60 44 82 43 32 48 46 57 47 92 72 87
71 79 84 41 40 58 44 61 38 92 71 41 83 84
7) Calculate the mcan from the grouped data. Show statistical formula and process of
calculation. How different is this mean from the average calculated from the ungrouped
data? |
8) If you were asked to draw a chart or graph, which one would you to choose from
histogram, pie, or line chart to visually show the trends in the test scores? Why? |
Transcribed Image Text:Introductory Social Statistics IMPORTANT INSTRUCTIONS: | show statistical formula used, process of computation, and provide meaningful interpretations of results in full sentences. Any table have to be labeled appropriately (c.g., title and column). Columns in a table should be meaningfully labeled in concise words and with statistical symbols. • Calculations could be rounded up to nearest two decimal points • Assessment of answers will include producing a neat work, clear interpretation or reasoning, and statistical correctness. Questions A| The following are the test scores of students in a 200-level statistics course: 66 89 47 63 40 51 62 80 60 97 48 64 67 97 60 67 81 64 74 38 69 50 59 80 57 33 47 72 68 91 74 47 73 50 52 43 54 98 54 63 79 33 51 54 60 44 82 43 32 48 46 57 47 92 72 87 71 79 84 41 40 58 44 61 38 92 71 41 83 84 7) Calculate the mcan from the grouped data. Show statistical formula and process of calculation. How different is this mean from the average calculated from the ungrouped data? | 8) If you were asked to draw a chart or graph, which one would you to choose from histogram, pie, or line chart to visually show the trends in the test scores? Why? |
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