[{"id":60091,"question":"In moving average method, we cannot find the trend values of some:","choices":[{"text":"Middle periods","value":"A"},{"text":"End periods","value":"B"},{"text":"Starting periods","value":"C"},{"text":"Between extreme periods","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":60089,"question":"For a least squares linear trend Y = a + bx, the&nbsp;Σ(Y - Y)<sup>2</sup> = 0 when:","choices":[{"text":"All the Y-values are positive","value":"A"},{"text":"All the Y-values lie on the line","value":"B"},{"text":"All the Y-values lie above the line","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":60086,"question":"The additive model of the time series is:","choices":[{"text":"Y = T + S + C + I","value":"A"},{"text":"TSCI","value":"B"},{"text":"Y = a + bX","value":"C"},{"text":"Y = a + bX + cX<sup>2</sup>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":60083,"question":"The trend values in freehand curve method are obtained by:","choices":[{"text":"Equation of straight line","value":"A"},{"text":"Second degree parabola","value":"B"},{"text":"Signal","value":"C"},{"text":"Graph","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":60082,"question":"The multiplicative time series model is:","choices":[{"text":"Y = T + S + C + I","value":"A"},{"text":"TSCI","value":"B"},{"text":"Y = a + bX","value":"C"},{"text":"Y = a + bX + cX<sup>2</sup>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":60079,"question":"The rise and fall of a time series periods longer than one- year is called.","choices":[{"text":"Secular trend","value":"A"},{"text":"Seasonal variation","value":"B"},{"text":"Cyclical variation","value":"C"},{"text":"Irregular variation","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":60077,"question":"For a least squares linear trend Y = a + bX","choices":[{"text":"ΣY =&nbsp;ΣY","value":"A"},{"text":"ΣY = 0","value":"B"},{"text":"ΣY &gt;&nbsp;ΣY","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":60075,"question":"For a least squares line trend Y = a + bx, the b is the:","choices":[{"text":"Intercept","value":"A"},{"text":"Slope","value":"B"},{"text":"Variable","value":"C"},{"text":"Trend","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":60073,"question":"In a straight line equation Y = a + bX; a is the:","choices":[{"text":"X - intercept","value":"A"},{"text":"Slope","value":"B"},{"text":"Y- intercept","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":60071,"question":"The systematic components of time series which follow regular pattern of variations are called:","choices":[{"text":"Noise","value":"A"},{"text":"Signal","value":"B"},{"text":"Additive model","value":"C"},{"text":"Multiplicative model","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":60069,"question":"Increase the number of patients in the hospital due to heel stock is:","choices":[{"text":"Seasonal trend","value":"A"},{"text":"Secular trend","value":"B"},{"text":"Cyclical movements","value":"C"},{"text":"Irregular variation","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":60067,"question":"In time series seasonal variations can occur within a period of:","choices":[{"text":"Nine years","value":"A"},{"text":"Four Years","value":"B"},{"text":"Three years","value":"C"},{"text":"One year","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":60066,"question":"The unsystematic sequence which follows irregular pattern of variations is called:","choices":[{"text":"Noise","value":"A"},{"text":"Signal","value":"B"},{"text":"Linear","value":"C"},{"text":"Non-linear","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":60065,"question":"In the measurement of secular trend the moving averages:","choices":[{"text":"Give the trend in a straight line","value":"A"},{"text":"Measure the seasonal variations","value":"B"},{"text":"Smooth out a time series","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":60064,"question":"The secular trend is measured by the method of semi-averages when:","choices":[{"text":"Time series contains yearly value","value":"A"},{"text":"Trend is linear","value":"B"},{"text":"Time series contains odd number of values","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":60063,"question":"The basic components of a time series are:","choices":[{"text":"2","value":"A"},{"text":"3","value":"B"},{"text":"4","value":"C"},{"text":"5","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":60062,"question":"The graph of time series is called:","choices":[{"text":"Histogram","value":"A"},{"text":"Historigram","value":"B"},{"text":"Straight line","value":"C"},{"text":"Ogive","value":"D"},{"value":"E"}],"correctAnswer":2}]