Question

In: Statistics and Probability

"Data 2 below (a sample from your production line) and Data 4 (sample test data, which...

"Data 2 below (a sample from your production line) and Data 4 (sample test data, which you received from your competitor). Calculate the P-value when comparing the population variances of these two groups."

Please include excel calculations.

Data 2

Strength
255 262 268 271 279 282 287
256 263 268 272 279 282 289
259 264 268 273 279 283 261
260 266 269 274 279 283 217
260 266 269 274 280 283 247
261 267 269 275 280 284 238
261 267 270 276 280 287 220
261 267 270 277 281 287 235

Data 4

Strength
234.4 253.2 259 253.9 209.6 251.4 247.5
248.6 254.6 229.7 264.8 240.4 271.6 246
245.9 270.3 278.9 252 241.7 261.6 253.9
278.6 263 288.6 294.6 280.5 256.8 233.1
270.9 242.7 266.1 250.6 281.6 254.4 241.9
248.2 271.4 254.9 235.3 272.3 269.5 257.5
296.8 270.6 266.6 263.6 243.6 251.9 278.3

Solutions

Expert Solution

Here is the output from excel:

Calculations:

  • Go to Data -> Data Analysis

  • Select

  • Here are the inputs:

and the output:

Let me know in the comments if anything is not clear. I will reply ASAP! Please do upvote if satisfied!

orchestra answered 2 years ago
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