Calculate a standard score or actual value
QUESTION TYPEMix of allChange
Forward; direct; operation scaffold; exact; equationForward; direct; operation scaffold; exact; bracketedForward; direct; operation scaffold; exact; compactForward; direct; operation scaffold; exact; signed-lineReverse; direct; operation scaffold; exact; equationReverse; direct; operation scaffold; exact; bracketedReverse; direct; operation scaffold; exact; compactReverse; direct; operation scaffold; exact; signed-lineForward; direct; sign scaffold; exact; equationForward; direct; sign scaffold; exact; bracketedForward; direct; sign scaffold; exact; compactForward; direct; sign scaffold; exact; signed-lineReverse; direct; sign scaffold; exact; equationReverse; direct; sign scaffold; exact; bracketedReverse; direct; sign scaffold; exact; compactReverse; direct; sign scaffold; exact; signed-lineForward; direct; substitution scaffold; exact; equationForward; direct; substitution scaffold; exact; bracketedForward; direct; substitution scaffold; exact; compactForward; direct; substitution scaffold; exact; signed-lineReverse; direct; substitution scaffold; exact; equationReverse; direct; substitution scaffold; exact; bracketedReverse; direct; substitution scaffold; exact; compactReverse; direct; substitution scaffold; exact; signed-lineForward; one-work; operation scaffold; exact; equationForward; one-work; operation scaffold; exact; bracketedForward; one-work; operation scaffold; exact; compactForward; one-work; operation scaffold; exact; signed-lineReverse; one-work; operation scaffold; exact; equationReverse; one-work; operation scaffold; exact; bracketedReverse; one-work; operation scaffold; exact; compactReverse; one-work; operation scaffold; exact; signed-lineForward; one-work; sign scaffold; exact; equationForward; one-work; sign scaffold; exact; bracketedForward; one-work; sign scaffold; exact; compactForward; one-work; sign scaffold; exact; signed-lineReverse; one-work; sign scaffold; exact; equationReverse; one-work; sign scaffold; exact; bracketedReverse; one-work; sign scaffold; exact; compactReverse; one-work; sign scaffold; exact; signed-lineForward; one-work; substitution scaffold; exact; equationForward; one-work; substitution scaffold; exact; bracketedForward; one-work; substitution scaffold; exact; compactForward; one-work; substitution scaffold; exact; signed-lineReverse; one-work; substitution scaffold; exact; equationReverse; one-work; substitution scaffold; exact; bracketedReverse; one-work; substitution scaffold; exact; compactReverse; one-work; substitution scaffold; exact; signed-lineForward; two-work; operation scaffold; exact; equationForward; two-work; operation scaffold; exact; bracketedForward; two-work; operation scaffold; exact; compactForward; two-work; operation scaffold; exact; signed-lineReverse; two-work; operation scaffold; exact; equationReverse; two-work; operation scaffold; exact; bracketedReverse; two-work; operation scaffold; exact; compactReverse; two-work; operation scaffold; exact; signed-lineForward; two-work; sign scaffold; exact; equationForward; two-work; sign scaffold; exact; bracketedForward; two-work; sign scaffold; exact; compactForward; two-work; sign scaffold; exact; signed-lineReverse; two-work; sign scaffold; exact; equationReverse; two-work; sign scaffold; exact; bracketedReverse; two-work; sign scaffold; exact; compactReverse; two-work; sign scaffold; exact; signed-lineForward; two-work; substitution scaffold; exact; equationForward; two-work; substitution scaffold; exact; bracketedForward; two-work; substitution scaffold; exact; compactForward; two-work; substitution scaffold; exact; signed-lineReverse; two-work; substitution scaffold; exact; equationReverse; two-work; substitution scaffold; exact; bracketedReverse; two-work; substitution scaffold; exact; compactReverse; two-work; substitution scaffold; exact; signed-lineNOWMix of allRecommended
Question 1 of 8
Calculator allowed
For battery-life measurements for a phone model, the mean is 6.6 hours and the standard deviation is 1 hour
One observation is 4.6 hours