Descriptive statistics include all of the following measures EXCEPT
a. median.
b. confidence intervals.
c. skewness.
d. variance.
e. range.
Question 2Which part of the screen do most mobile users focus on?
a. The left.
b. The right.
c. The bottom.
d. The top.
Question 3Because ____ and ____ measures are similar when it comes to analysis, many researchers refer to both types as continuous measures.
a. interval, ratio
b. nominal, interval
c. ordinal, ratio
d. nominal, ordinal
e. ratio, nominal
Question 4Mobile content is MOST effective when it:
a. consists primarily of images rather than text.
b. resolves customers' problems.
c. is funny and interesting.
d. All of these are correct.
Question 5Which of the following statements concerning confidence intervals is FALSE?
a. A confidence interval can be inferred when a probabilistic sample is drawn.
b. A confidence interval is produced by calculating the degree of nonsampling error for the particular statistic.
c. Precision can be increased by increasing sample size or decreasing the confidence level.
d. A narrower confidence interval can be obtained by increasing the sample size.
e. A narrower confidence interval can be obtained by decreasing the degree of confidence desired.
Question 6When converting a desktop site to a mobile site, which of the following is the MOST important objective?
a. Keep things simple.
b. Don't lose content.
c. Don't lose user interface elements.
d. Segment content via interstitials.
Question 7To calculate sampling error for a proportion, which of the following pieces of information is NOT needed?
a. The z-score representing the desired degree of confidence
b. The number of valid cases overall for the proportion
c. The sample standard deviation
d. The relevant proportion obtained from the sample
e. All of these are relevant and necessary pieces of information for the calculation of sampling error for a proportion.
Question 8Which of the following is NOT a strategically valid piece of advice for designing mobile pages?
a. Avoid forcing users to scroll a lot through long pages.
b. Use images sparingly to reduce loading times.
c. Use linear pages to make the website easier to navigate.
d. Reduce as much as possible the need for users to go back and forth between screens.
Quick Reply
