Using the Wilcoxon Rank Sum Test, examine the following data for evidence at the .02 level...
Using the Wilcoxon Rank Sum Test, examine the following data for evidence at the .02 level that the two populations are different.
| A | B |
| 225 | 157 |
| 237 | 168 |
| 268 | 223 |
| 273 | 231 |
| 309 | 240 |
| 314 | 246 |
| 317 | 265 |
| 333 | 272 |
| 339 | 285 |
| 344 | 302 |
| 383 | 312 |
| 394 | 337 |
1.Find the rank sum (W) for column A.
2.What's the value of the test statistic (Z)?
3.What's the p-value?
4.What is the correct decision?
Homework Answers
1)
from above:
rank sum (W) for column A =191
2) value of test statsitic =2.37
3)
p value =0.0178 (try 0.0179 if this comes wrong due to rounding)
4)reject Ho as p value is less than 0.02 and conclude that there is evidence at the .02 level that the two populations are different.
Add Answer to:
Using the Wilcoxon Rank Sum Test, examine the following data for
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Hi it's python I imported a data which are so many words in txt
and I arranged and reshaped with alphabetically both rows and
columns
I was successful with these steps but I am stuck with next
step
below is my code and screenshot
import numpy as np
import pandas as pd
data=pd.read_csv("/Users/superman/Downloads/words_file2.txt",header=None)
df_input=pd.DataFrame(data)
df_output=pd.DataFrame(np.arange(676).reshape((26,26)),
index =
['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'],
columns =
['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'])
df_output.index.name="Start"
df_output.columns.name="End"
df_output
This below screen shot is what I have to find
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154 -6 279 215 404 391 -166 199 -302 -469 244 0 -20 405 110 118 359 305 77 -317 -260 387 -471 -10 -332 479 213 0 -29 -440 182 -458 -429 22 -403 318 318 222 -350 160 19 473 149 300 -46 -68 325 -417 -367 -327 -109 331 303 -440 -101 27 -83 157 128 -208 -68 -485 484 -333
-394 -128 -302 -10 -161 452 420 -447 238 -231 -77 48 443 -82 483 -199 201 166 39 198 167 -322 -372 499 -329 -467 61 382 169 -310 -131 -39 482 -344 356 145 -124 -309 -72 -18 -379 90 -274 -115 83 -248 -210 117 -235 324 483 230 -156 84 -392 406 380 318 -239 94 -477 -75 -187 -339
-321 -77 -406 99 -29 196 200 139 -466 -431 -180 31 154 -92 320 218 469 31 -175 -394 111 279 -77 -409 -234 -346 -219 -60 27 -43 375 18 444 138 458 -259 176 -211 172 195 -432 -245 -276 168 344 -156 281 175 -493 102 -113 416 -499 -38 -76 -39 270 -178 285 -29 -464 -324 222 -27
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a calculator is fine, but please identify the steps you used in the
calculator so I can learn!!!
° The data below lists the amounts of strontium-90 (in millibecquerels, mBa) per gram of calcium in a simple random sample of baby teeth obtained from PA residents and NY residents born after 1979. Use 0.05 level of significance and Wilcoxon Rank-sum Test to test the claim that the median amount od...
33 On May 6, Jim Ryan borrowed $14,000 from Lane Bank at 7 % interest. Jim plans to repay the loan on March 11. Assume the loan is on ordinary interest. How much will Jim repay on March 11? (Use Days in a year table) (Round your answer to the nearest cent.) Jm repay etbook 7-1 TABLE Exact days-in-a-year calendar (excluding leap year)" Day of month 30 31 30 31 28 31 30 31 31 30 31 31 Dec Mar...
Hi it's python I imported a data which are so many words in txt
and I arranged and reshaped with alphabetically both rows and
columns
I was successful with these steps but I am stuck with next
step
below is my code and screenshot
import numpy as np
import pandas as pd
data=pd.read_csv("/Users/superman/Downloads/words_file2.txt",header=None)
df_input=pd.DataFrame(data)
df_output=pd.DataFrame(np.arange(676).reshape((26,26)),
index =
['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'],
columns =
['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'])
df_output.index.name="Start"
df_output.columns.name="End"
df_output
This below screen shot is what I have to find
I have to find each word...
A partial payment is made on the date indicated. Use the United States rule to determine the balance due on the note at the date of maturity. (The Effective Date is the date the note was written.) Assume the year is not a leap year. Effective Partial Payment Maturity Principal Rate Date Amount Date Date $4000 4% April 1 $1000 May 1 June 1 Click the icon to view a table of the number of the day of the year...
Partial payments are made on the dates indicated. Use the United States rule to determine the balance due on the note at the date of maturity. (The Effective Date is the date the note was written.) Assume the year is not a leap year. Effective Partial Payment Maturity Principal Date Amount Date Date $1900 19% Sept. 1 $500 Oct. 1 Dec. 1 $500 Nov. 1 Click the icon to view a table of the number of the day of the...
LAB8.DAT IS LISTED BELOW
154 -6 279 215 404 391 -166 199 -302 -469 244 0 -20 405 110 118 359 305 77 -317 -260 387 -471 -10 -332 479 213 0 -29 -440 182 -458 -429 22 -403 318 318 222 -350 160 19 473 149 300 -46 -68 325 -417 -367 -327 -109 331 303 -440 -101 27 -83 157 128 -208 -68 -485 484 -333
-394 -128 -302 -10 -161 452 420 -447 238 -231 -77 48 443 -82 483 -199 201 166 39 198 167 -322 -372 499 -329 -467 61 382 169 -310 -131 -39 482 -344 356 145 -124 -309 -72 -18 -379 90 -274 -115 83 -248 -210 117 -235 324 483 230 -156 84 -392 406 380 318 -239 94 -477 -75 -187 -339
-321 -77 -406 99 -29 196 200 139 -466 -431 -180 31 154 -92 320 218 469 31 -175 -394 111 279 -77 -409 -234 -346 -219 -60 27 -43 375 18 444 138 458 -259 176 -211 172 195 -432 -245 -276 168 344 -156 281 175 -493 102 -113 416 -499 -38 -76 -39 270 -178 285 -29 -464 -324 222 -27
-347 -159 107 -308 238 -257 417 -231 266 -311 -213 -409 76 183 47 -74 144 148 179 136 445 -291 209 -264 -381 107 -50 -41 162 270 -150 162 -84 342 333 -244 113 82 41 370 -235 -182 -381 440 146 -21 139 45 147 44 221 22 494 -281 -394 -390 -436 -95 -52 -134 264 128 272 433
473 -308 -361 196 -406 25 30 361 -15 -107 171 241 20 -152 -350
Goals: Practicing arrays and functions Create a program that will read values from a file called Lab8.dat (posted on Canvas) and store it into an array using a function other than main. The number of values in the file is less than 300 and all the values are whole numbers. The actual number of values stored in the file should be returned to the function call Your program should contain another...
Please determine the IDENTITY of the unknown
compound and explain how each peak / data point from the following
instruments led to that identification. What does the gcms
indicate. Thank you very much! (The GCMS data is just a long set of
numbers which is why the question appears so long).
IR of unknown:
NMR unknown Proton Graphs (first is overall graph,
others that follow are zoomed in sections):
NMR unknown Carbon Graphs (first is overall graph,
others that follow...
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