The following are the hours of operation to failure of38 light bulbs.150 389 345 310 20 310 175 376 334 340332 331 327 344 328 341 325 2 311 320256 315 55 345 111 349 245 367 81 327355 309 375 316 336 278 396 287Use a suitable statistical computer program to test whether the mean failure time of such light bulbs is sig-nificantly less than 300 hours. Use the 0.01 level of signif-icance.
The following are the hours of operation to failure of38 light bulbs.150 389 345 310 20 310 175 376 334 340332 331 327 344 328 341 325 2 311 320256 315 55 345 111 349 245 367 81 327355 309 375 316 336 278 396 287Use a suitable statistical computer program to test whether the mean failure time of such light bulbs is sig-nificantly less than 300 hours. Use the 0.01 level of signif-icance.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Question
The following are the hours of operation to failure of
38 light bulbs.
150 389 345 310 20 310 175 376 334 340
332 331 327 344 328 341 325 2 311 320
256 315 55 345 111 349 245 367 81 327
355 309 375 316 336 278 396 287
Use a suitable statistical computer program to test
whether the
nificantly less than 300 hours. Use the 0.01 level of signif-
icance.
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