MS 150 Statistics t2 • Name: |
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Location |
rainfall/cm |
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Kosrae airport |
507 |
1 |
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ratio |
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Utwa |
453 |
2 |
sample size n |
20 |
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Nautilus |
470 |
3 |
min |
245 |
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Pohnpei WSO |
492 |
4 |
max |
507 |
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Palikir |
471 |
5 |
range |
262 |
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Nukuoro |
447 |
6 |
mid |
376 |
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Pingelap |
395 |
7 |
median |
349.5 |
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Mwoakilloa |
429 |
8 |
mode |
#VALUE! |
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Kapingamarangi |
333 |
9 |
mean |
369.95 |
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Chuuk WSO |
322 |
10 |
stdev |
82.49 |
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Lukunoch |
297 |
11 |
cv |
0.22 |
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Fananu |
254 |
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5 |
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Losap |
330 |
12 |
width |
52.4 |
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Polowat |
270 |
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Yap WSO |
350 |
13 |
Rainfall bins (cm) |
Freq |
RF |
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Dugor |
369 |
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297.4 |
5 |
0.25 |
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Gilman |
320 |
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349.8 |
5 |
0.25 |
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Luweech |
349 |
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402.2 |
3 |
0.15 |
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Ulithi |
296 |
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454.6 |
3 |
0.15 |
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Woleai |
245 |
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507 |
4 |
0.2 |
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20 |
1 |
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15 |
shape |
bimodal/skewed |
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1. What level of measurement...? |
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16 |
se |
18.44 |
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2. Find the sample size n for the data. |
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17 |
df |
19 |
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3. Find the minimum. |
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18 |
tc |
2.09 |
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4. Find the maximum. |
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19 |
margin E |
38.61 |
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5. Find the range. |
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20 |
low |
331.34 |
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6. Find the midrange. |
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20 |
high |
408.56 |
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7. Find the median. |
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8. Find the mode. |
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9. Find the sample mean x. |
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10. Find the sample standard deviation sx. |
11. Find the sample coefficient of variation CV. |
12. What is the width of a single bin? |
13. Determine the frequency... |
14. Sketch a frequency histogram ... |
15. What is the shape of the histogram? |
16. Calculate the standard error of the mean SE. |
17. Find the degrees of freedom. |
18. Calculate t-critical tc. |
19. Find the margin of error for the mean E. |
20. Calculate the 95% confidence interval |
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p(331.34 ≤ μ ≤ 408.56) = 0.95 |
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