最新的WGU Data-Driven-Decision-Making免費考試真題

問題1

An entrepreneur wants to start a boutique cupcake business based on family recipes shared for three generations. The entrepreneur knows the required costs associated with rent, supplies, utilities, and hourly wages and wants to determine how many cupcakes they need to sell to generate a profit.
Which technique should be used to analyze this data?

A. Regression

B. Crossover analysis

C. Break-even analysis

D. T-test

正確答案: C

說明：（僅 Fast2test 成員可見）

問題2

What is the formula for calculating a simple index number?

A. The current price divided by the base year's price

B. The base year's price divided by the current price times 100

C. The current price divided by the base year's price times 100

D. The base year's price divided by the current price

正確答案: C

說明：（僅 Fast2test 成員可見）

問題3

Which element is associated with control charts?

A. Upper and lower limits

B. Hypothesis testing

C. Reliability index

D. Correlation

正確答案: A

說明：（僅 Fast2test 成員可見）

問題4

A digital marketing manager wants to determine whether conversion rates from the company's latest email campaign are about the same as the industry average or significantly different. Which statistical concept should be used to measure the data set?

A. Bell curve

B. Standard deviation

C. Median

D. Mean

正確答案: B

說明：（僅 Fast2test 成員可見）

問題5

Why are experiments conducted using random sample populations?

A. Because studying an entire population is difficult and impractical.

B. Because the software to analyze entire populations is expensive.

C. Because entire population data have too many outliers.

D. Because random sample populations ensure bias elimination.

正確答案: A

說明：（僅 Fast2test 成員可見）

問題6

An analyst used multiple linear regression to show how a big box store's sales (y) are predicted by the big box store's advertising expenditure in dollars (variable x1) and the advertising expenditure in dollars of a specialty store (variable x2) in the same market. The estimated regression is y = 651.57 + 92.30x1 # 26.89x2. How are advertising expenditures and sales related in this scenario?

A. If the specialty store increases its advertising expenditures, it will decrease the big box store's sales.

B. If the big box store increases its advertising expenditures, its sales will decrease.

C. If the big box store decreases its advertising expenditures, it will decrease the big box store's sales.

D. If the big box store decreases its advertising expenditures, its sales will increase.

正確答案: A

問題7

A county government wants to start a cost-effective recycling program. How can the county apply data analytic approaches to attain this goal?

A. By aligning fund allocations with the number of department employees

B. By conducting best practices research regarding audit performance

C. By analyzing budgetary impacts of county contracts

D. By benchmarking similar strategies of other counties

正確答案: D

說明：（僅 Fast2test 成員可見）

問題8

Research data indicate 95% confidence in a study in which subjects who were shown a product advertisement exhibited brand awareness compared to a control group who did not see the advertisement.
What can be concluded from this study?

A. Ninety-five percent of the subjects liked the brand.

B. The advertisement was effective in increasing sales.

C. The advertisement was effective in building brand awareness.

D. Five percent of the subjects did not like the advertisement.

正確答案: C

問題9

Why are sample sizes important for ensuring statistical significance?

A. So that no additional analysis is required

B. So that the possibility of researcher bias is eliminated

C. So that accurate conclusions can be confidently applied to larger populations

D. So that a hypothesis cannot be misinterpreted

正確答案: C

說明：（僅 Fast2test 成員可見）

問題10

A retail manager collected the following sales-receipt totals from the store's cashiers:
$25, $22, $48, $42, $32, $28, $24, $54, $34, $41, $48
What is the median of this sales-receipt data?

A. $25

B. $34

C. $41

D. $48

正確答案: B

說明：（僅 Fast2test 成員可見）

最新的WGU VPC2Data-Driven Decision MakingC207 - Data-Driven-Decision-Making免費考試真題

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