The fifth category

statistics

1, it is not difficult to fill in the blanks, and it is not easy to get it all right.

(1) The following are the results of the men's standing long jump competition in a school. (Unit: meter)

1.49 1.50 1.39 1.5 1 1.39 1.45

1. 18 1.3 1 1.25 1.46 1.40 1.40

1.46 1.53 1.50 1.49 1.45 1.46

1.37 1.34 1.52 1.43 1.4 1 1.46

① The median of this set of data is (), and the mode is ().

② If the score is between 1.45 and 1.53, it is good, and () people get good grades.

(2) The following is a statistical chart of the annual output growth of the first workshop and the second workshop of a factory.

(1) The annual output value of the workshop has increased rapidly.

(2) (2) The biggest difference in output value between the two workshops.

③200 1 By 2004, the difference between the total annual output value of the second workshop was () ten thousand yuan.

(3) The following is the math unit test score of a class. (unit: minutes)

9 1 86 90 78 96 80 89

95 95 98 100 96 95 74

99 90 87 100 62 65 87

98 100 84 98 60 85 94

Complete the following table according to the data.

The score/point is below 100 ~ 9089 ~ 9079 ~ 7070.

Number of people/people

① The mode of this set of data is (), and the median is ().

② The number of students who get () marks is the largest. If more than 90 points is considered excellent, then the excellent student is ().

2. Carefully examine the questions and don't be careless.

The following is a statistical chart of Xiao Ming's temperature record when he caught a cold.

(1) What is the highest temperature during Xiao Ming's cold? What's the lowest temperature?

(2) When did his temperature drop the fastest?

(3) When is his temperature stable?

(4) What other questions can you ask?