Class Interval
Frequency
20-under 40
30
40-under 60
45
60-
举一反三
- The number of class intervals in a frequency distribution is usually between ___________.
- An error of commission is one where: A: A transaction has not been recorded. B: One side of a transaction has been recorded in the wrong class of account, such as non-current assets posted to inventory. C: An error has been made in posting a transaction. D: The digits in a number are recorded the wrong way round.
- A<br/>village has 100 under five children. The coverage of measles<br/>vaccine is 60%. Following a measles case 26 children<br/>developed measles. The secondary attack rate is() A: 25% B: 40% C: 50% D: 65%
- Where has the key been found A: Under the table. B: Under the desk. C: On the table.
- A cumulative frequency distribution lists the number of observations that are within or below each of the classes.
内容
- 0
What is an error of commission? A: An error where a transaction has not been recorded B: An error where one side of a transaction has been recorded in the wrong account, and that account is of a different class to the correct account C: An error where one side of a transaction has been recorded in the wrong account, and that account is of the same class as the correct account D: An error where the numbers in the posting have been transposed.
- 1
A number of students in this class ____to Beijing once . A: were B: have been C: is D: has been
- 2
The bridge ______ a big ship can go has been built. A: under which B: under that C: in which D: on which
- 3
The reform that has been under way for more than a decade has brought in______ (many) benefits to masses in the country.
- 4
Lucy has been receiving _______ phone calls lately. A: threat B: threaten C: threatening D: threatened