how can you visually differentiate between a histo 7049562

ATI TEAS 7

Math Practice TEAS Test

1. How can you visually differentiate between a histogram and a bar graph?

A. A bar graph has gaps between the bars; a histogram does not
B. A bar graph displays frequency; a histogram does not
C. A histogram illustrates comparison; a bar graph does not
D. A bar graph includes labels; a histogram does not

Correct answer: A

Rationale: The key difference between a histogram and a bar graph is that a bar graph has gaps between the bars, while a histogram does not. This feature helps in visually distinguishing between the two. Choice B is incorrect because both types of graphs can show frequency. Choice C is incorrect as both graphs can be used for comparison. Choice D is incorrect as both types of graphs can have labels for better understanding.

2. What is the median of the data set: 3, 5, 7, 9, 11?

A. 3
B. 7
C. 9
D. 5

Correct answer: B

Rationale: To find the median of a set of numbers, you arrange them in ascending order and then find the middle value. Given the data set 3, 5, 7, 9, 11, when arranged in ascending order, becomes 3, 5, 7, 9, 11. The middle value in this set is 7, making it the median. Choice A (3) is the smallest value, not the middle value. Choice C (9) and Choice D (5) are not the middle values of the set either. Therefore, the correct answer is B (7).

3. Which group of elements is known for their reactivity and ability to form strong bonds with other elements?

A. Noble gases
B. Halogens
C. Alkali metals
D. Transition metals

Correct answer: B

Rationale: Halogens are a group of elements in the periodic table known for their high reactivity and ability to form strong bonds with other elements. They possess seven valence electrons, requiring only one more electron to achieve a stable electron configuration, making them highly reactive. Halogens readily form compounds with other elements by gaining an electron to achieve a full outer shell, resulting in the formation of strong covalent bonds. Noble gases (option A), on the other hand, are known for their inertness and stable electron configurations, making them unlikely to form bonds. Alkali metals (option C) are highly reactive but do not form bonds as strong as halogens. Transition metals (option D) are recognized for their variable oxidation states and ability to create complex ions but are not as reactive as halogens when it comes to bond formation.

4. Today, astrophysicists study the same stars that were observed by the astronomers of the ancient world, though todayâ€™s techniques and technology are much more advanced. Which of the following is misspelled in the sentence?

A. astrophysicists
B. astronomers
C. techniques
D. technology

Correct answer: B

Rationale: The misspelled word in the sentence is 'astronemers,' which should be spelled as 'astronomers.' 'Astrophysicists,' 'techniques,' and 'technology' are all correctly spelled words in the sentence. Ensuring proper spelling is essential for effective communication and clarity. The term 'astronomers' refers to individuals who study celestial bodies, including stars, making it the correct answer in this context.

5. Sarah also wants to offer her vegan guests a slightly more filling option such as a light soup with some biscuits. Which two chapters of the cookbook should she consult?

A. Chapter II and Chapter III
B. Chapter I and Chapter III
C. Chapter II and Chapter IV
D. Chapter V and Chapter VI

Correct answer: C

Rationale: Sarah wants to offer her vegan guests a slightly more filling option such as a light soup with some biscuits. Chapter II of the cookbook covers light soups, making it a suitable choice for soup ideas. Chapter IV focuses on baking and bread recipes, including biscuits. By consulting Chapter II for soup recipes and Chapter IV for biscuit recipes, Sarah can find appropriate dishes for her vegan guests. Choice A (Chapter II and Chapter III) is incorrect because Chapter III does not cover biscuits. Choice B (Chapter I and Chapter III) is incorrect as biscuits are not part of Chapter I. Choice D (Chapter V and Chapter VI) is incorrect because these chapters do not contain relevant recipes for a light soup with biscuits.