2025 ALG 1_Check on Learning_one variable Stats V1

The histogram shows the test scores for a group of students.

Which of the following statements about the data is true?

• The data is positively skewed

• approximately 33% of the students made a 50-100.

• The data's mean ≈ median

• The mean > median

The amount of time it takes wach planet in the solar system to make a complete orbit around the sun is shown in the table.

What is the average time per orbit, in Earth Years, of these planets, based on the data in the table?

Round Answer to the nearest hundredth.

Mathematical Equivalence

ON

The mean land speeds, in miles per hour, of two groups of animals are shown in the data. How much less is the mean of group 1 than the mean of group 2?

Group 1: 12, 22, 25, 30, 32

Group 2: 40, 43, 50, 55, 61

Round answer to the nearest tenth.

Mathematical Equivalence

ON

The boxplot displays the total snowfall, in inches, for thirteen cities last winter. Which of the following statements must be true?

I. The mode is less than the mean.

II. The median is 43

III. The Range is 65

• I only

• II only

• I and III only

• II and III only

Which of the following statements are true for the dot plots of data sets X and Y?

I. The medians are equal

II. The modes are equal

III. The standard deviations are equal

• I only

• II only

• I and III only

• I, II, and III

Two data sets are displayed in the table.

What is the interquartile range of Data Set 2?

Mathematical Equivalence

ON

Which statement about Lucy's steakhouse is true?

• The data is skewed left

• The median < mean

• The mode is 45

• The range is the most feasible measure of variance.

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.5

The box plot below shows the data for length of flights for two model planes, Plane A and Plane B. Based on the information provided, which statement must be true about the length of flights for the airplanes?

• The range for Airplane A's flight length is greater than Airplane B's flight length.

• The average flight length for Airplane B is about 205 inches

• The interquartile range for Airplane B's flight length is approximately twice that of Airplane A.

• The medians of the airplanes are the same

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5

What percentage of students are between 60 and 63 inches tall?

• 25.9%

• 60%

• 14.9%

• 7%

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.4

CCSS.6.SP.B.5

What is the standard deviation for the data given:
{12, 13, 29, 18, 61, 35, 21}

• 293.67
• 15.87
• 17.14
• 41.98

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5