According to the National Automobile Dealers Association, the mean price for used cars is $ 10,314. A manager of a Kansas City used car dealership reviewed a sample of 50 recent used car sales at the dealership in an attempt to determine whether the population mean price for used cars at this particular dealership differed from the national mean. The prices for the sample of 50 cars are shown in the table below. 8,870 7,490 10,015 11,025 10,670 9,220 7,550 10,495 10,015 9,280 8,755 10,955 7,700 12,520 12,240 11,985 12,390 9,995 10,195 8,960 11,210 9,925 9,405 10,070 9,440 9,755 8,230 10,265 11,370 7,715 10,455 9,000 10,435 9,395 9,475 8,070 10,045 10,740 12,055 11,005 8,020 8,570 9,115 9,900 6,335 10,145 7,310 10,410 9,330 10,130 b. What is the t-value? Enter negative value if your answer is negative. t-value: (to 2 decimals)
According to the National Automobile Dealers Association, the mean price for used cars is $ 10,314. A manager of a Kansas City used car dealership reviewed a sample of 50 recent used car sales at the dealership in an attempt to determine whether the population mean price for used cars at this particular dealership differed from the national mean. The prices for the sample of 50 cars are shown in the table below. 8,870 7,490 10,015 11,025 10,670 9,220 7,550 10,495 10,015 9,280 8,755 10,955 7,700 12,520 12,240 11,985 12,390 9,995 10,195 8,960 11,210 9,925 9,405 10,070 9,440 9,755 8,230 10,265 11,370 7,715 10,455 9,000 10,435 9,395 9,475 8,070 10,045 10,740 12,055 11,005 8,020 8,570 9,115 9,900 6,335 10,145 7,310 10,410 9,330 10,130 b. What is the t-value? Enter negative value if your answer is negative. t-value: (to 2 decimals)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
ChapterCSR: Contents Of Student Resources
Section: Chapter Questions
Problem 11.1EP
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According to the National Automobile Dealers Association, the mean price for used cars is $ 10,314. A manager of a Kansas City used car dealership reviewed a sample of 50 recent used car sales at the dealership in an attempt to determine whether the population mean price for used cars at this particular dealership differed from the national mean. The prices for the sample of 50 cars are shown in the table below.
| 8,870 | 7,490 | 10,015 | 11,025 | 10,670 |
| 9,220 | 7,550 | 10,495 | 10,015 | 9,280 |
| 8,755 | 10,955 | 7,700 | 12,520 | 12,240 |
| 11,985 | 12,390 | 9,995 | 10,195 | 8,960 |
| 11,210 | 9,925 | 9,405 | 10,070 | 9,440 |
| 9,755 | 8,230 | 10,265 | 11,370 | 7,715 |
| 10,455 | 9,000 | 10,435 | 9,395 | 9,475 |
| 8,070 | 10,045 | 10,740 | 12,055 | 11,005 |
| 8,020 | 8,570 | 9,115 | 9,900 | 6,335 |
| 10,145 | 7,310 | 10,410 | 9,330 | 10,130 |
b. What is the t-value? Enter negative value if your answer is negative.
t-value: (to 2 decimals)
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