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