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For a frequency distribution, the class interval is:

A、the class frequencies divided by two.

B、the class frequency divided by the number of observations.

C、the difference between consecutive lower class limits.

D、the number of observations in the class.

提问人:网友gezi1234 发布时间:2022-01-07
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更多“For a frequency distribution, …”相关的问题
第1题
Puck says, The king doth keep his revels here tonight, Take heedd the Queen com not within his sight, For Oberon is passing fell and wrath, Because that she as her attendant hath A lovely boy stol'n from Indian king; She never had so sweet a changeling, And jealous Oberon would have the child Knight of his train, to trace the forests wild. The meaning of the above words is that

A、The king is going to find fun in the forest tonight, and please take care not to let the queen be here. The reason is that the king is very angry with her. The queen has an Indian boy stolen from an Indian king, and she likes him very much and does not like to hand over the boy to the fairy king who intends to make the child one of his knights together with him to wander in the wild forest.

B、The king is going to find fun in the forest tonight, and please make sure the queen does not come, because the king is very angry with her. She has a lovely boy coming from Indian who the king also likes and decides to make him one of his knights to be together with him in the forest.

C、The king is going to find fun in the forest together with the queen. Though the king is jealous that she has an indian boy, he hopes she can hand him over to him by making her happy.

D、The king is going to find fun in the forest, but he does not feel happy with the queen for she is such a miserly person that she wants to keep the boy stolen from Indian for her own only because she likes the boy very much, whereas the king is going to make the boy as his adopted son.

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第2题
The key concept of the Effort Models is _______________.

A、memorizing capability

B、monitoring capability

C、interpreting capability

D、processing capability

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第3题
【单选题】The students laughed ________ they heard the news.

A、so

B、since

C、after

D、if

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第4题
Our corporation is established for the purpose of carrying on import and export business as well as other activities in connection with foreign trade.

A、我们这个公司是为了进出口、拓展商业与对外贸易链接为目的而建立起来的。

B、我公司成立是为了经营进出口业务以及开展其他与外贸有关的活动。

C、我公司是为从事进出口业务和对外贸易的其他活动而成立的。

D、我公司成立的目的是经营进出口业务以及其他与对外贸易有关的活动。

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第5题
In the novel by Tracey chevalier, Vermeer’s wif Catharina ________.

A、is interested in Vermeer’s work

B、loves her husband

C、dislikes Griet

D、is an emotional person

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第6题
For a frequency distribution, a class frequency is:

A、the number of observations in the class.

B、the difference between consecutive lower class limits.

C、limited to a maximum of 10 observations.

D、the total number of observations in the sample.

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第7题
For a frequency distribution, the class midpoint is:

A、the class interval divided by two and added to the lower limit.

B、the difference between consecutive lower limits.

C、the number of observations in the class.

D、the class frequency divided by the number of observations.

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第8题
A research organization is studying the selling price of laptop computers. They selected 25 different computers for the study. To summarize the selling price with a frequency distribution and using the 2k rule, how many classes would you recommend?

A、10

B、25

C、4

D、5

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第9题
Which of the following is not a guideline for a frequency distribution?

A、Avoid open-ended classes.

B、Use the 2k rule to determine the number of classes.

C、Make the lower limit of the first class a multiple of the class interval.

D、Each class should have more than 5 observations.

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第10题
A pie chart shows:

A、the frequency for each class.

B、the relative frequency for each class.

C、trends in the data.

D、the class midpoints.

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