Data in the following Table 4 shows the number of words spelled correctly by 10 participants of an international spelling bee competition before and after training. Is there sufficient evidence to conclude that training can increase the number of words spelled correctly by the participants? Use a 0.05 significance level. Before training 204 393 391 265 326 220 423 342 480 464 after training 223 412 402 285 353 243 443 340 582 490
Data in the following Table 4 shows the number of words spelled correctly by 10 participants of an international spelling bee competition before and after training. Is there sufficient evidence to conclude that training can increase the number of words spelled correctly by the participants? Use a 0.05 significance level. Before training 204 393 391 265 326 220 423 342 480 464 after training 223 412 402 285 353 243 443 340 582 490
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Data in the following Table 4 shows the number of words spelled correctly by 10 participants of
an international spelling bee competition before and after training. Is there sufficient evidence
to conclude that training can increase the number of words spelled correctly by the participants?
Use a 0.05 significance level.
| Before training | 204 | 393 | 391 | 265 | 326 | 220 | 423 | 342 | 480 | 464 |
| after training | 223 | 412 | 402 | 285 | 353 | 243 | 443 | 340 | 582 | 490 |
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