Density g/cm³ |
ratio |
1. What is the level of measurement? |
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1.79 |
20 |
2. Find the sample size n. |
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1.69 |
0.54 |
3. Find the minimum. |
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1.43 |
1.79 |
4. Find the maximum. |
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0.98 |
1.25 |
5. Find the range. |
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0.89 |
1.17 |
6. Find the midrange. |
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0.93 |
0.54 |
7. Find the mode. |
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0.7 |
1.17 |
8. Find the median. |
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0.54 |
1.17 |
9. Find the sample mean x. |
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1.57 |
0.4 |
10. Find the sample standard deviation sx. |
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1.47 |
0.34 |
11. Find the sample coefficient of variation CV. |
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1.64 |
0.25 |
12. Width |
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1.47 |
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13. Frequency table |
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1.36 |
CUL |
Freq f |
Rel Freq |
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1.44 |
0.79 |
4 |
0.2 |
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1.45 |
1.04 |
6 |
0.3 |
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0.98 |
1.29 |
0 |
0 |
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0.89 |
1.54 |
6 |
0.3 |
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0.93 |
1.79 |
4 |
0.2 |
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0.7 |
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20 |
1 |
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0.54 |
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14. Sketch a relative frequency histogram |
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Bimodal |
15. What is the shape of the histogram? |
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Two |
16. Based on the histogram, how many different kinds of soap? |
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3.27 |
17. z for 2.48 g/cm³. |
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Unusual |
18. Ordinary or? |
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Errors |
19. Accurate or error? |
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