#17 please On a statistics exam given last semester the mean score of 85 was rec

Question

#17 please On a statistics exam given last semester the mean score of 85 was recorded with a standard deviation of 6 (Use this information to answer the following questions.) 1) What is the z-score associated with a test score of 977 2) What is the z-score associated with a test score of 79 3) What is the z-score associated with a test score of 85? 4) What is the z-score associated with a test score of 90? 5) What is the score associated with a z-score of 2? 7) What is the area above 93? 9) What percentile at the score of 80? 11) What percentile at the score of 95? 13) What is the area between 70 and 902 15) What is the area between 90 and 97? 17) What score cuts off the 30th percentile of scores? 6) What is the score associated with a zscore of -1.23 8) What is the area above73? 10) What is the percentile at the mean of 85? 12) What is the area between 68 and 85? 14) What is the area between 79 and 91? 16) what score cuts off the top 15% of scores? 18) What score cuts off the 80th percentile of scores? 029 09 0005 063 00675 0C714 0.0753 00 0.0000 0040 0000 0.0120 00160 00199 0.0239 0.1 0.038 0.0438 0478 00517 0.0557 0.0596 0.3 0.1179 0.1217 01255 40154 151 162 1664 01700 0.1738 0.172 01808 4 01915 0.1950 1 02019 025 0.2 02123 02157 02190 0.22 2324 02357 0238902422 02454 02486 02517 020 06 02257 0.2291 0.2324 02422 10.3159 a3186 03212 03238 03254 0.3289 03315 0suo auss 0 03413 3 0.346 048 0.3500 331 0354 037 039 0.321 1.1 03643 0.365 0.3686 03708 0.3729 0.3749 03770 0390 0310 0.3830 12 03849 0369 03888 0307 0.3925 0.3944 2 3 03 04015 13 0432 0,4049 0.406 04082 0409 04115 04131 04147 0162 04177 1 04452 04463 04474 04484 44 04506 0456 0525 04535 0454 17 04554 04564 04573 0.4582 0.4591 0.4599 0.4608 04616 04625 0.4633 18 04541 0 0.4656 04664 0.4671 04678 0468 04633 04899 0.4706 1 04713 04719 04726 04732 04738 04744 0750 06 04761 0476 20 04772 0.4778 0.47830.4788 04793 04798 0.4803 04808 04812 0.4817 21 04821 04826 0.4830 0.4834 0483 0.4842 4846 0.4850 04854 0.4857 22 04861 0.4864 0.4868 04871 0485 0488 0.481 04884 04887 0.4090 23 0.4893 04896 0.4898 04901 04904 0.4906 04909 04811 04313 04916 24 04918 04020 0.4922 04925 04327 0.429 0,4931 04932 0434 04338 2.510.4gg8 0.4940 u41 0A943 04345 0.4946 0A948 0849 04351 0495 281 04953 0.4955 0.4956 04957 04859 .0.4960 04961 04962 0063 0496 27 04965 0.4966 0.4967 04968 04969 0.4970 04971 04872 04973 0.497 2810.4974 0.4975 04078 0497z 0.4977 0.4378 0A979 04379 04900 0498 29 04981 04982 04982 04983 0.498 04984 Q.498504985 0.486 0.49 30 0.4987 04987 04987 0.480488 0.4969 04989 0.4989 04390 04

Explanation / Answer

17)

here from normal value table at 30 th pecentile ; z score =-0.5244

threfore corresponding score =mean+z*std deviation =85-0.5244*6 =81.8536 ~ 81.85

( please revert for any clarification)

Related Questions

Navigate

• Browse (All)
• Browse #
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.