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Lesson Example Discussion Quiz: Class Homework

Quiz Discussion

Title: Statistics

Grade: Core-SAT3 Lesson: S8-P2

Explanation: Let us discuss a few questions on this topic and review the answers to every question.

Discussion: Step1 Step2 Step3 Step4 Step5

Quiz: Discussion in Class

Problem Id	Problem	Options
Steps 1	Calculate the standard deviation for the sample weights (in grams): 62.3, 74.1, 51.8, 23.5, 25.2, 40.9, and 93.2.	A) 25.61 B) 25.09 C) 24.98 D) 24.37
Steps 2	The data set shows the prices (in dollars) of lacrosse helmets. Make a box-and-whisker plot that represents the data. Describe the distribution: 125, 120, 250, 110, 190, 220, 145, 260, 240, 150, 170, and 200.	A) $2.1$ B) $2.2$ C) $2.3$ D) $2.4$
Steps 3	Use the Venn diagrams you drew in Exercises 1–3 to decide whether the statement is true or false. Explain your reasoning. The only positive factors of 12 less than 13 that are not even are 1 and 3.	A) FALSE B) Both C) TRUE D) None of these
Steps 4	Use the line graph to answer each question. In which month(s) was Linda’s account balance $150? $4$	A) January and May B) June and July C) October and December D) May and October
Steps 5	The frequency table shows the chemistry exam scores for a class. Display the data in a histogram. Describe the distribution. $5$	A) 3 B) 0 C) 5 D) 7

Problem Id

Problem

Options

Steps 1

Calculate the standard deviation for the sample weights (in grams): 62.3, 74.1, 51.8, 23.5, 25.2, 40.9, and 93.2.

A) 25.61

B) 25.09

C) 24.98

D) 24.37

Steps 2

The data set shows the prices (in dollars) of lacrosse helmets. Make a box-and-whisker plot that represents the data. Describe the distribution: 125, 120, 250, 110, 190, 220, 145, 260, 240, 150, 170, and 200.

A) $2.1$

B) $2.2$

C) $2.3$

D) $2.4$

Steps 3

Use the Venn diagrams you drew in Exercises 1–3 to decide whether the statement is true or false. Explain your reasoning. The only positive factors of 12 less than 13 that are not even are 1 and 3.

A) FALSE

B) Both

C) TRUE

D) None of these

Steps 4

Use the line graph to answer each question. In which month(s) was Linda’s account balance $150?

$4$