Test Bank for Statistics for Research and Life, 1st Edition by Gary Lewandowski | Answers Included
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Course
Statistics for Research and Life 1e Lewandowski
Institution
Statistics For Research And Life 1e Lewandowski
Test Bank for Statistics for Research and Life, 1e 1st Edition by Gary Lewandowski, Kevin McIntyre. Complete Chapters test bank are included with answers (Chap 1 to 16 + Appx A and Appx B)
Chapter 1: Why Statistics Are So Important
Chapter 2: Frequency Distributions and Visual Displays of Data
...
Indicate the answer choice that best completes the statement or answers the question.
1. The last order of operations to perform in equation (7 – 5)2 + 4 × 3 is:
a. addition.
b. multiplication.
c. parentheses.
d. exponents.
2. When a negative number is divided or multiplied by a positive number, the resulting number is:
a. zero.
b. improbable.
c. positive.
d. negative.
3. When performing mathematical operations using PEMDAS, Ʃ is done as a(n):
a. addition.
b. subtraction.
c. exponent.
d. multiplication.
4. When performing mathematical operations using PEMDAS, under which step are square roots done?
a. parentheses
b. exponents
c. multiplication
d. division
5. The summation notation is denoted by the symbol:
a. ẞ.
b. ∞.
c. Ʃ.
d. λ.
6. When the base number is negative and its exponent is odd, the resulting number is:
a. negative.
b. positive.
c. negative or positive.
d. a false negative.
Page 1
,Name: Class: Date:
Appx A 1e Lewandowski
7. When two negative numbers are subtracted the resulting number is:
a. negative.
b. positive.
c. zero.
d. negative or positive.
8. In equation X ÷ 4 = 4, X can be isolated from the equation by:
a. adding 4 to the first side.
b. adding 4 to the second side.
c. multiplying the first side by 4.
d. multiplying both sides by 4.
9. Equation √64 is =
a. 4.
b. 8.
c. 16.
d. 32.
10. When an operation needs to be removed from one side of an equation, the opposite operation is performed
to:
a. the side before =.
b. the side after =.
c. both sides.
d. either side, depending on the operation.
11. The first order of operations to perform in equation (8 – 4)3 + 3 × 2 is:
a. addition.
b. multiplication.
c. parentheses.
d. exponents.
12. The symbol that denotes that 4 is less than 6 is:
a. ˂.
b. >.
c. ≥.
d. ≤.
Page 2
,Name: Class: Date:
Appx A 1e Lewandowski
13. Solve for X. X in equation X ÷ 4 = 12 is:
a. 8.
b. 24.
c. 48.
d. 64.
14. In equation z = (X – M) ÷ SD, where M is mean and SD is standard deviation, what is done to the SD?
a. Divide each side by SD.
b. Multiply each side by SD.
c. Divide the M by SD.
d. Multiply the M with SD.
15. Equation: 3 – (–5) is =
a. –15.
b. –2.
c. 15.
d. 2.
Page 3
, Name: Class: Date:
Appx A 1e Lewandowski
Answer Key
1. a
2. d
3. a
4. b
5. c
6. a
7. d
8. d
9. b
10. c
11. c
12. a
13. c
14. b
15. d
Page 4
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