Answer:
1 is 8
Step-by-step explanation: 2^3 is the same as 2x2x2. The exponent (3) is the number of times you multiply the number. 2x2 is 4. 4x2 is 8.
Answer: C
Step-by-step explanation:
By adding a fifth point as an outlier, it effects both the average and the middle of a data set. Because the median is only slightly shifted because the AMOUNT of data points and not the VALUE, the median is not as affected as the mean.
Answer:
D. Only one cleaning product was asked about in the survey.
Any given company can use more than one cleaning product or even use a combination of different cleaning products. The question was not specific enough, since it should have probably asked which cleaning products are used and which ones are used more frequently.
Step-by-step explanation:
the other options are wrong because:
- A. Only 50 cleaning services were surveyed. ⇒ This actually would increase the validity of the claim because it satisfies the the condition for a valid confidence interval [np and n(1 - p) are larger than 10]-
- B. Cleaning services were selected at random. ⇒ This actually would increase the validity of the claim.
- C. A well-known company conducted the survey. ⇒ This actually would increase the validity of the claim.
Answer:
obtuse
Step-by-step explanation:
it's obvious if it was acute it would be tiny