Pedagogy Part 15

Total Questions: 44

1 - An independent samples t-test compares :(Statistical interference (two sample)

A ) Means of to unrelated groups ✅
B ) Data are from the same subjects
C ) Variancies of three groups
D ) Modes of paired data

2 - The t-Test is used when :(statistical interference (two samples)

A ) Samples are independent
B ) Data are from the same subjectsData are from the same subjects ✅
C ) Data are nominal
D ) Sample size is large

3 - ANOVA test differences among :(ANOVA)

A ) Two means
B ) Three or more means ✅
C ) medians
D ) Modes

4 - The F-ratio ANOVA compares ANOVA

A ) Within groups vs. between groups Variance ✅
B ) Correlation coefficients
C ) Skewness values
D ) Median vs. mode

5 - A chi-square test for I dependence examines:(Chi-square test)

A ) Relationship between categorical variables ✅
B ) Correlation
C ) Mean differences
D ) Variance homogeneity

6 - Expected frequencies in a chi-square test are:(chi-square test)

A ) Observed counts
B ) Hypothetical counts underH° ✅
C ) Random number
D ) Outliers

7 - The Mann-Whiteny U test is the non-parametric equivalent of:(Non-parametric tests)

A ) Paired t-test
B ) Independent t-test ✅
C ) ANOVA
D ) Chi-square test

8 - The Witcoxon test is used for:(Non-parametric tests)

A ) Independent samples
B ) Paired/related samples ✅
C ) Nominal data
D ) Variance comparison

9 - CAI stands for :(Computers in education)

A ) Computer assisted instruction ✅
B ) Centralised artificial intelligence
C ) Computer aided infrastructure
D ) Correlative assessment index

10 - SPSS is primary used for :(Computers in education)

A ) Word processing
B ) Graphic design
C ) Database management
D ) Statistical analysis ✅

11 - An example of an input device is :(Computer components)

A ) Monitor
B ) Printer
C ) Keyboard ✅
D ) Speaker

12 - System software includes :(Computer components

A ) Microsoft word
B ) Operating systems ✅
C ) Games
D ) Web browsers

13 - MS Excel is commonly used for :(Computer lab practices)

A ) Writing essays
B ) Data analysis and charts ✅
C ) Creating slide shows
D ) Web browsing

15 - Quartile deviation is a measure of:(Measure of Dispersion)

A ) Central tendency
B ) Variability ✅
C ) Skewness
D ) Kurtosis

16 - A correlation coefficient of 0 indicates :(Correlation)

A ) Perfect positive relationship
B ) Perfect negative relationship
C ) No relationship ✅
D ) No linear relationship

18 - The assumption of homogeneity of variance is important for :(Statistical interference ( two samples)

A ) Independence t-test ✅
B ) Chi-square test
C ) Superman correlation
D ) Mode evolution

21 - The kruskal-Wallis test is the non parametric alternative to:( Non-parametric tests)

A ) Paired t test
B ) One way ANOVA ✅
C ) Person correlation
D ) Chi-square test

22 - CML in educational technology stands for :(Computers in education)

A ) Computer managed learning ✅
B ) Centralized module library
C ) Computerised math learning
D ) Cumulative measurement log

23 - Which is not an output device :(computer components)

A ) Monitor
B ) Printer
C ) Speaker
D ) Scanner ✅

24 - In MS Excel the function to calculate means is:( computer lab practices)

A ) MEAN ()
B ) AVERAGE () ✅
C ) TOTAL ()
D ) SUM()

25 - A Pai chart is most appropriate for :(frequency distribution)

A ) Showing trends over time
B ) Comparing proportions ✅
C ) Displaying continuous dataDisplaying continuous data
D ) Presenting correlation

26 - In a normal distribution the mean, median and mode are :(Measures of Central tendency)

A ) All different
B ) All equal ✅
C ) Mean noequal median equal mode
D ) Main equal median noequal mode

27 - Point- biserial correlation is used when:( Correlation)

A ) Bahut variables are continuous
B ) One variable is discotomous ✅
C ) Both variables are original
D ) Data are normally distributed

28 - A 95% confidence interval means:(Statistical interference (one sample)

A ) 95% of samples will include the population mean ✅
B ) 95% of data falls with +1 SD
C ) The p value is 0.95
D ) The effect size is large

29 - The assumption of sphericity is important in :(ANOVA)

A ) One way ANOVA
B ) Repeated Measures ANOVA ✅
C ) Factorial ANOVA
D ) ANCOVA

30 - Yates correlation is applied to :(Chi-square test)

A ) Oridinal data
B ) 2×2 tables with small expected frequencies ✅
C ) Tables with many categories
D ) Large contingency table

31 - The Friedman test is used for:( Non parametric tests)

A ) Independence samples
B ) repeated Measures /Repeated samples ✅
C ) Nominal data
D ) Testing normality

33 - RAM stand for :

A ) Random Assess Memory ✅
B ) Read Only Memory
C ) Redundant Array Memory
D ) Rapid Access Module

Explanation:
  1. RAM" stands for Random Access Memory
  2. ROM stands for Read-Only Memory
  3. PROM stands for Programmable Read-Only Memory 
  4. EPROM stands for Erasable Programmable Read-Only Memory 
  5. EEPROM stands for  Electrically Erasable Programmable Read-Only Memory 
  6. HTML stands for HyperText Markup Language
  7. TCP stands for Transmission Control Protocol
  8. IP stands for Internet Protocol
  9.  ✅MAC stands for Media Access Control 
  10. PDF stands for Portable Document Format
  11. URL stands for Uniform Resource Locator
  12. CRT stands for Cathode Ray Tube
  13. IBM stands for International Business Machines
  14. IMEI stands for International Mobile Equipment Identity
  15. CD-ROM stands for Compact Disc Read-Only Memory
  16. MODEM stands for Modulator-Demodulator
  17.  ✅CPU  stands for Central Processing Unit
  18. CAD stands for Computer Aided Design
  19. FM stands for Frequency Modulation.
  20. AM stands for Amplitude Modulation.
  21. GPU stands for Graphics Processing Unit
  22. NAFTA stands for North American Free Trade Agreement
  23. FAT stands for File Allocation Table.
  24. DBMS stands for Database Management System.
  25. JPEG stands for Joint Photographic Experts Group.
  26. YAHOO stands for "Yet Another Hierarchically Organized Oracle."
  27. PSTN stands for Public Switched Telephone Network.
  28. ISP stands for Internet Service Provider

34 - In MS Excel columns are labeled with :(computer lab practices)

A ) Numbers
B ) Letters ✅
C ) symbols
D ) Greek letters

35 - A Bimodal distribution has :(frequency distributions)

A ) One peak
B ) Two peaks ✅
C ) No peaks
D ) Equal mean and median

36 - The harmonic mean is most appropriate for :(Measures of Central tendency)

A ) Rates and ratios ✅
B ) Nominal data
C ) Ordinal data
D ) Skewed distributions

37 - The interquartile range covers:( Measures of dispersion)

A ) 25% of data
B ) 50% of data ✅
C ) 75% of data
D ) 100% of data

38 - Phi coefficient is used for:( Correlation)

A ) Two continuous variables
B ) Two dichotomous variables ✅
C ) Both a and b
D ) Ordinal data

39 - Power of a test is the probability of :(Statistical interference ( one sample)

A ) Making type 1 error
B ) Making type ll error
C ) Correctly rejecting false H° ✅
D ) Correctly accepting true H°

40 - Effect size for independent t-test can be measured by (Statistical interference (two samples)

A ) Person's r
B ) Cronbach's alpha
C ) Cohen's d ✅
D ) Chi-square

41 - Eta-squared measures:(ANOVA)

A ) Effect size in ANOVA ✅
B ) Correlation
C ) Reliability
D ) Skewness

42 - For a goodness of fit test expected frequencies are: (chi-square test)

A ) Observed counts
B ) Hypothesized proportions× N ✅
C ) Always equal
D ) Not needed

43 - The sign test is used for:(Non-parametric tests)

A ) Independence samples
B ) Testing variance
C ) Large sample sizes
D ) Related samples with ordinal data ✅

44 - Which is an advance CAI:( Computers in education)

A ) Eliminates teachers
B ) Provides immediate feedback ✅
C ) Works without computers
D ) Only for math education