[{"id":269042,"question":"The middle value fo a data set when the values are arranged in ascending or descending order is called.","choices":[{"text":"Mode","value":"A"},{"text":"Mean","value":"B"},{"text":"Median","value":"C"},{"text":"None above","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":269041,"question":"The value that appears most frequenctly is a data.","choices":[{"text":"Mode","value":"A"},{"text":"Mean","value":"B"},{"text":"Median","value":"C"},{"text":"All above","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":269040,"question":"Which of the followign is effective for comparing differente categories and visually representing the distributions of data","choices":[{"text":"Mode","value":"A"},{"text":"Bar charts","value":"B"},{"text":"Mean","value":"C"},{"text":"Median","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":269039,"question":"Genetic studies use biostatistics to identify genetic markers linked to diseases like","choices":[{"text":"Hepatitis","value":"A"},{"text":"Cancer","value":"B"},{"text":"Diabetes","value":"C"},{"text":"Both B and C","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":269038,"question":"Biostatistices is essential for","choices":[{"text":"Designing biologicla experiments","value":"A"},{"text":"Chemicla trials","value":"B"},{"text":"Epidemiological studies","value":"C"},{"text":"All above","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":269037,"question":"When constructing a bar chart which axis usually represents the categories.","choices":[{"text":"Vertical axis","value":"A"},{"text":"Horizontal axis","value":"B"},{"text":"Both axes equaly represent the categories","value":"C"},{"text":"Neither axis reprents the categories","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":269036,"question":"In a bar chart what does the height or length of each bar represent.","choices":[{"text":"The total numebr of categories","value":"A"},{"text":"The value fo the corresponding category","value":"B"},{"text":"The average of all values","value":"C"},{"text":"The difference between the highest and lowest values","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":269035,"question":"If a data set has no reprated values what is the mode.","choices":[{"text":"There is no mode","value":"A"},{"text":"The median value","value":"B"},{"text":"The average of the data set","value":"C"},{"text":"The highest value","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":269034,"question":"In a data set with values 3,3,67,8,9,9 what is the mode.","choices":[{"text":"3","value":"A"},{"text":"6","value":"B"},{"text":"7","value":"C"},{"text":"Both 3 and 9","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":269033,"question":"When the number of values in a data set is even, how is the median calculated.","choices":[{"text":"By seleting the most frequent value","value":"A"},{"text":"By taking the average of the two middle values","value":"B"},{"text":"By choosing the middle value","value":"C"},{"text":"By adding all values and dividing by the total number of values","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":269032,"question":"What is the mean of the data set 8,9,,10,11","choices":[{"text":"7","value":"A"},{"text":"9","value":"B"},{"text":"8","value":"C"},{"text":"10","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":269031,"question":"if the data set is 5812,15,20 what is the median.","choices":[{"text":"8","value":"A"},{"text":"12","value":"B"},{"text":"15","value":"C"},{"text":"20","value":"D"},{"value":"E"}],"correctAnswer":2}]